ECN June 2019

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We really hate interruptions.

The world’s first 3-7 pole decorative plug-in ceiling rose A flex



c o n n e c t o r s Company

VOLUME 39 NO. 06 • JUNE 2019


But we31quickly wanted to inform 30 SPECIAL you of our new name.

COMPETITION FEATURE: Win six 2-gang COMMERCIAL Uninterruptible Power Supplies RCD sockets, courtesy of VEHICLES is & EVbecoming Kohler Uninterruptible Timeguard Power. INFRASTRUCTURE



THE FUTURE OF UPS BATTERY CHEMISTRY Kohler Uninterruptible Power offers an industryleading, 24/7 power protection solutions service to ensure businesses’ systems and UPS power supplies are always ‘on’. For UPS system builders and users today, They also discharge more efficiently at two battery chemistries predominate: lead high discharge rates, with a wider usable acid (typically VRLA) and lithium ion (Litemperature range. Costs have also fallen ion). While Li-ion, with claimed advantages by up to 85% over the last decade, and over VRLA, has become a contender, its much longer operational lives are claimed. inroads into VRLA’s long-established UPS Li-ion longevity may not match UPS market lead have been limited. lifetimes efficiently. Pricing remains As Kohler Uninterruptible Power is problematic, especially for UPSs’ short a neutral player without commitment to autonomies, and capacity choices are either battery type, its Operations Director, limited. Some mistrust of Li-ion remains, Alex Emms, has been comparing the and disposal is an issue. technologies. then considers the barriers Li-ion market share is expected WHYHeTHE CHANGE? to Li-ion’s deeper UPS market penetration to increase as confidence grows and and, finally, factors set to influence the Kohler costs reduce albeit more slowly. It isthe a decade since we joined Co., onefurther, of two chemistries’ relative futures. However, VRLA will fight back – for the largest privately held companies in the US, and Li-ion batteries have better powerexample, with management systems that nearly since they first stepped power to-weight ratios100 than years VRLA equivalents. increaseinto battery life by up to 30%.

products. And with our solutions now spanning UPS, generators and emergency lighting inverters, plus class-leading 24/7 service, it is simply time our name reflected who we are and all we do today.

Turn to page 12 for the full story.

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CONTENTS… Regulars 4 Editorial

18 Key Issue

Electric vehicles - if you’re not ready, get ready.

The industry responds to Net Zero, a recent climate change report that is reassessing the UK’s emissions targets.

7 Industry News

20 Project Focus

A new President for the ECA, a training award for an apprentice with J S Wright, fines for tradesmen carrying out dangerous work, a new recycling calculator, and more.

A look at how Martindale and Baxi Heating are working together to comply with the latest Gas Safe Register guidance.

12 Cover Story

24 In The Know

Alex Emms of Kohler Uninterruptible Power compares the two main battery chemistries for UPS system builders and users.

14 Contract News

Jeff Richardson of Aurora explains how Enlite’s AriahPro high bay is engineered for industry and designed to last.

30 Competition

A new cabling infrastructure for a Coventry library, LED lighting for an academy school, new smoke alarms and fire detectors for a housing association, and more.

16 Training

Features 22 Fire Safety

A chance to win six 2-gang RCD sockets, courtesy of Timeguard.

65 Company Showcase Sponsored content from around the sector.

Details of Schneider’s new training facility, and a look at upcoming training courses being offered by Select and Resideo.

26 28 Lighting

Mark Flanagan of Scolmore talks about fire-rated downlights, why fire rating is required, and the importance of safety testing.

26 Clare PR To coincide with the company’s 30th anniversary, Clare Ward of Clare PR reflects on how things have changed in the electrical sector since its doors opened for business.

Michael Morrison of Light Efficient Design UK provides insight into the latest LED retrofit lighting developments and looks at the opportunities for electrical contractors.

46 Sponsored Feature An exclusive look at E-Matic’s new dual technology occupancy detectors.

SPECIAL FEATURES: Commercial Vehicles & EV Infrastructure

Energy Management

UPS & Power Management

findings from 37 Recent indicate that

EV and PHEV sales going 32 With from strength-to-strength, ECN looks at the the latest smart charging innovations offered by Rolec EV. overheating in EVs 34 With an ongoing concern, Steve Hughes of REO UK explains the difference between air and water cooling braking resistors.

Elms of Centiel 59 Mike UK explains the critical

an electrician’s van may be dirtier than a toilet door handle. Find out about the health risks, and discover the best cleaning tips.


RoadHawk advises on how to choose the right dash cam for your business.

Andrews of Doepke UK 43 Chaz explains how to eliminate the risks in EV charging.

differences between a modular UPS and a true modular UPS. Mike Brooks of CP 49 Electronics details why clever energy controls are so important during the summer months.

A look at how Abtec 54 Building Technologies has upgraded the environmental controls at a secondary school near Peterborough.

Nico Van Der Merwe of 52 Schneider Electric looks at

Goodlight has provided 56 FWB, an industrial supplier

how smart home evolution is progressing in the UK and explains how electrical contractors can help.

of electrical equipment, with a new range of longlife LEDs, resulting in a complete lighting overhaul.

Powersolve Electronics 60 has introduced a new range of solutions that reduce high peak currents. Smith Brothers has 62 begun work on the first of Arlington Energy’s energy storage and gas peaking projects.

June 2019 | 3

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Roger Atkins, an expert in all things electric vehicles, provided a glimpse into the future of EV during his presentation at NICEIC & ELECSA’s Live South event on May 16



Circuit Protection & Switchgear



elcome to the June issue of ECN. I recently had the pleasure of attending the NICEIC & ELECSA Live South event at the picturesque Epsom Downs Racecourse in Surrey, where keynote speaker Roger Atkins, Founder of Electric Vehicles UK, shared some fascinating insight into the future of electric vehicles. Having first driven an electric vehicle in the 1970s – when he commandeered a milk float – Roger has closely monitored the EV evolution over the years, and started his presentation by revealing that there’s a hefty $300 billion investment in EV on the way. This cash will be used to fund the development of battery technology, motors, inverters, lighter vehicles and a great deal more, and Roger believes that planning for an EV future isn’t just being spoken about – it’s actually happening. There are currently 206,000 plug-in cars and 8,500 electric vans out there on Britain’s highways, which, at first glance, sounds like a respectable tally. However, upon hearing that there’s a staggering total of 89 million vehicles across the UK, the EV portion clearly pales in comparison. Roger noted that this is all about to change, however, as fewer

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and fewer petrol cars are being made by car manufacturers – and, by 2039, Mercedes will have ceased production of them entirely. Interestingly – and somewhat ironically – Shell and BP currently have the majority control of public EV charging points, which has led many cynics to believe that they’re only involved to slow down the EV industry. That’s not the case though, as Roger explained: “The likes of Shell and BP know there’s a shift to new energy, and they want to profit from it. But they’ll need electricians – if we can’t plug in, nothing can happen. So it’s you, the electrical contractors, who will power this revolution.” It’s clear we’re still scratching the surface of this rapidly developing market, and as a result, we’ve devoted a substantial slice of this month’s issue to the topic. It all gets underway on page 32. This month’s edition of ECN also includes our special Wiring Accessories supplement, which includes profiles of some of the sector’s most innovative players. With the 18th Edition changes and various other regulation changes on the cards, it’s interesting to see how companies are responding, and some of the products and technologies showcased within this supplement are truly impressive – so do take the time to familiarise yourself with each of these companies. Thank you for your continued support, and enjoy the issue.

Fire, Safety & Security

Simon Rowley, Editor

Smart Buildings

July Issue Advertising deadline: June 24 Editorial deadline: June 15

EDITOR: SIMON ROWLEY T: 01634 673163 E:







ACCOUNTS T: 01634 673163 E:

The editor and publishers do not necessarily agree with the views expressed by contributors nor do they accept responsibility for any errors in the transmission of the subject matter in this publication. In all matters the editor’s decision is final. Editorial contributions to ECN are welcomed, and the editor reserves the right to alter or abridge text prior to the publication. Overseas Subscription Rates: Europe £60.00; Rest of World £70.00 Copyright © 2019, All rights reserved Printed by Pensord, Tram Road, Pontilanfraith, Blackwood, NP12 2YA

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INDUSTRY NEWS BG ENERGY SOLUTIONS ACCELERATES GROWTH WITH OPENING OF NEW LONDON OFFICE BG Energy Solutions (BGES), an independent BMS and energy management company, has strengthened its national presence with the opening of a new office in London. The business has been headquartered in Sheffield since it was established in 1995, where today it employs over 50 experienced engineers. With strong roots in the building controls arena, the BGES team offers impartial and expert guidance on using technology to make buildings smarter and more efficient. The company’s new London office has been opened in response to a growing number of clients and opportunities in London and the South of England. Heading-up the BGES London team is Lewis Locke, who has joined as Regional Manager. Gareth Barber, Managing Director of BGES, comments, “We are really excited to be able to expand our national reach with new offices in London. Being ‘on the ground’ at client sites is a crucial part of managing projects seamlessly and getting to the heart of our customers’ energy management challenges.” BG Energy Solutions,

CEF LAUNCHES NEW CATALOGUE CEF, the electrical wholesaler, has launched a new, priced trade catalogue and website to provide customers with a more transparent, consistent and convenient shopping experience. The new catalogue, which features everyday value prices on all products, is designed to bring pricing consistency and transparency to the electrical wholesale market. Featuring more than 26,000 electrical products, the catalogue includes cable and cable management products, heating and ventilation solutions, lighting, lamps, wiring accessories, switchgear, industrial controls, hand tools, site equipment, test instruments and more. All products are available for click and collect, or next day delivery wherever customers need them, with thousands more available at CEF’s website. The catalogue also highlights CEF’s lowest priced everyday ‘trade essentials’, in addition to smart home products from the company’s recently launched Get Smart, Get Connected range. “Traditionally, pricing in the electrical wholesale industry is complicated, time consuming and inconsistent,” explains Andrew Moseley, CEF’s Commercial Director. “Our new priced trade catalogue is a direct response to customer feedback and part of a wider commitment from CEF to bring pricing transparency and consistency, and improve the level of service we offer to our customers.” The new catalogue is available to pick up from any of CEF’s 391 stores nationwide. CEF,

SCHNEIDER SUPPORTING HOME IMPROVEMENT INITIATIVE Schneider Electric is sponsoring an initiative by the British Home Enhancement Trade Association (BHETA) to encourage UK homeowners to make their homes safer, smarter and more stylish. National Home Improvement Month, which ran in April, is designed to reignite homeowners’ pride and encourage them to commit to at least one home improvement project during the month. Over half (63%) of Brits don’t love the home they live in, studies show, with one third admitting they lack the skills to make the improvements they want. BHETA and the country’s major suppliers help homeowners by delivering educational content and how-to guides. They also connect consumers with skilled tradespeople, enabling them to complete their dream home improvement project. Schneider Electric stands ready with a wide range of wiring devices and accessories to inspire creativity and satisfy the latest safety requirements during National Home Improvement Month. Whether they prefer the modern style of the Ultimate range, or the traditional profile of Lisse Screwless Deco, Schneider offers consumers a wide range of switches and sockets to enhance their home. The customisable Ultimate Transparent range of switches can even be styled to match any wall surface, and allows users to create their own bespoke designs. Wiser, the smart home heating system from Drayton by Schneider Electric, is easy to install from app to thermostat, and allows homeowners to control the heating in their homes remotely. Jocelyn Golding, Category Manager of Home and Distribution at Schneider Electric, says, “There’s never been a better time to be house-proud. Smart technology and the latest solutions give users unprecedented choice in creating their ideal home. However, a lack of technical skills shouldn’t be a barrier to entry. For the safest, highest-quality installations, homeowners should use a qualified electrician, for which our Partner Locator is here to help.” Schneider Electric,

ECA WELCOMES COMMON PRE-QUAL ASSESSMENT Electrotechnical and engineering services body, ECA, has welcomed the new Common Prequalification Assessment Standard (CAS), which has been created by industry representatives brought together by Build UK and the Civil Engineering Contractors Association (CECA). ECA’s Director of CSR, Paul Reeve, Deputy Chairman of the steering group that drew up the CAS, comments, “The CAS aims to standardise supplier pre-qualification questions (PQQs), cutting out the wasted time and cost of multiple prequalification questionnaires. It’s the answer to a very long-standing and expensive problem in construction and beyond, and so we actively support the CAS and encourage buyers and suppliers to engage with it.” The CAS contains a raft of agreed PQQs that include financial, health and safety, environmental, quality and other topics. During 2019, assessment bodies such as CHAS, Constructionline and Achilles, along with others (which may include trade associations), will be using the CAS to assess contractors’ general capabilities. Once assessed, suppliers should increasingly find that the CAS is recognised as the industry PQQ standard for construction, and related activity such as maintenance. Furthermore, when data sharing arrangements are in place, suppliers should not need CAS certification from more than one assessment body. Reeve adds, “We expect the CAS to be of increasing benefit to both buyers and suppliers, and notably members of trade associations, where suppliers may find it easier to complete the CAS question set.”

GROWTH LEADS TO OFFICE MOVE Specialist electrical contractor and power supplier to global events, The Technical Department, has moved from its Pines Business Park office base – where it was situated since 2013 – to new offices at Henley Business Park, Guildford. For 32 years, the company has been providing power and electrical services to global events, as well as bespoke power distribution, generators, dry hire of electrical equipment, project management, cables, transformers, cable ramp, architectural lighting, design and installations, testing, and global event consultancy. The relocation comes as a result of the company outgrowing its existing premises, and due to gradual growth and increase in turnover over the past few years. The Technical Department,


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INDUSTRY NEWS ROLEC LAUNCHES SOLAR EV CHARGING UNIT Rolec EV, an EV charge point manufacturer, has launched a new solar powered electric vehicle charging unit, named WallPod:EV SolarCharge. Designed to be a cost-efficient EV charging solution, WallPod:EV SolarCharge is specially designed to benefit homeowners who have, or have future plans to install, a home solar panel array. Frankie Mellon, Rolec’s National EV Sales Manager, comments, “EV SolarCharge has been designed to offer the homeowner a feature-rich charging solution that not only displays the charging activity, but also highlights whether the charging is coming from the National Grid, exclusively from the home’s solar panels, or a combination of both. “The standout features of EV SolarCharge include two unique charging modes and a summary data screen. “The first of the two charging modes is the Solar + Grid Charge, which monitors the solar power being generated, highlights it on the data screen, and tops up any shortfall with power from the Grid. “The second of the two charging modes is the Solar Only mode, which monitors and tracks the power being generated by the home’s solar array and limits the charge provided to the EV, matching exactly the amount of power produced by the panels. In effect, the EV is now running on the sun.” EV SolarCharge also provides a summary data screen which demonstrates historical charging activity – including

MARSHALL-TUFFLEX LAUNCHES RECYCLING CALCULATOR Providing a window into cable management, UK manufacturer Marshall-Tufflex has launched a Recycled PVC-U Calculator, which shows users exactly how much recycled material is included in each of its products, and therefore saved from being sent straight to landfill. Based on product usage during 2018, the calculator allows users to select a range of products and quantities, and then calculate the percentage of recycled material used, and the number of kilograms saved from going into landfill. Paul Hetherington, CEO at Marshall-Tufflex, comments, “For 20 years, we have been using recycled material in the manufacture of our products, saving the equivalent of 300 doubledecker buses worth of plastic going into landfill every year. “Our goal is to start the conversation throughout the supply chain, from architects to end users, and encourage everyone to make informed decisions when purchasing PVC-U trunking systems. Our Recycled PVC-U Calculator has been developed so we can be as clear as possible about our environmental commitments and demonstrate the impact we have as a company.” To use the Recycled PVC-U Calculator, and discover how much recycled material was included in your project, visit Marshall-Tufflex,

total charging kWs, solar supplied charging kWs vs Grid supplied charging kWs, the actual percentage of charging

provided by the sun, and the amount of CO2 saved. Rolec,

ELECTRICAL CONTRACTOR LEADS THE WAY WITH ISO ACCREDITATION Burton on Trentbased electrical contractor, I. C. Electrical, has been awarded ISO 45001:2018 accreditation, which covers occupational health and safety. The business, which is one of only a handful in the industry to be awarded this standard, has been working towards the accreditation for a number of years. ISO 45001 requires businesses to introduce a framework to help improve employee safety and reduce workplace risk. In order to be awarded the standard, applicants must be able to demonstrate that management systems are in place across the business which adequately assess, manage and mitigate against workplace risks. The new standard was introduced in March 2018, and it replaces a number of older accreditations. For businesses such as I.C. Electrical, which operate on an international scale, being able to demonstrate the achievement is essential when it comes to standing out from the competition during the tender process for large projects. Andy Connolly, Health and Safety Manager at I.C. Electrical, says, “Being awarded this new accreditation is a significant achievement for the business, and is the culmination of a lot of hard work. With the standard gaining increased global recognition as a marker of excellence in occupational health and safety, it will unlock even more doors for us in terms of high-profile, international work”. I.C. Electrical, and its parent company, Finland-based VEO Group, designs and produces systems and control panels for a number of industrial environments and sectors. I.C Electrical,

QUEEN’S AWARD FOR CABLE INNOVATOR Independent cable technology company, Tratos, has won a Queen’s Award for Enterprise. The global company, which manufactures in Britain and Italy and sells to around 52 countries, received the accolade for innovation from the UK’s leading award for business. The company has invested heavily in new plant, equipment and test facilities in the UK and is committed to staying innovation-focused. It works side-by-side with clients from industries such as power, communications, green energy, rail and marine to transport, defense and construction to develop, test and produce bespoke cable for their specific needs. Tratos’ innovation award was for a new cable sheathing compound, Tratos JBA, that can shrug off the most corrosive elements and protect cable function in the harshest of environments. Tratos CEO and Chair, Dr Maurizio Bragagni, says, “These products have advanced safety and performance. They were developed by the company to be used for telecommunication, power or signalling cables. The compound is able to resist fire to new and higher standards, and, at the same time, defend against the aggressive acids present in different environments from railway and transport to oil and gas platforms. “This innovation is bigger than just producing a new generation of cables able to accept the challenge of higher performance standards; it is innovation that will transform unsafe cables. We were confident of the quality of the innovation and the advances it brings, but we were absolutely thrilled to learn it had been recognised with a Queen’s Award.” The Queen’s Awards for Enterprise celebrate and encourage business excellence. Winners must demonstrate outstanding results in their field of innovation, international trade, sustainable development and promoting opportunity. Tratos,

8 | June 2019

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17/05/2019 20/05/2019 11:41 09:45

INDUSTRY NEWS JIM PRIDHAM BECOMES NEW ECA PRESIDENT Highly respected businessman and electrical engineer, Jim Pridham of JR Pridham Services, has become ECA President. He began his electrical training in the Royal Navy, where he held various roles as an electrical mechanic on ships and submarines between 1971 and 1978. He finished his time in the Navy as a leading ordnance electrical mechanic and went on to work for Thames Water Utilities before forming his own company, JR Pridham Services in Reading in 1988. The company now has more than 90 employees. Pridham comments, “It is a great honour to become ECA President, and I am grateful for the opportunity to champion the electrotechnical and engineering services industry. I look forward to working with ECA’s staff and members, our partners, and Government, to further raise the positive profile of our industry and tackle its biggest challenges, including fair payment, the skills shortage and Brexit uncertainty.” Pridham takes over the Presidency from Malcolm Crofts of DH Crofts, who has played an important role in championing the industry and the ECA’s role in supporting members to grow their businesses. ECA CEO, Steve Bratt, adds, “We are very pleased indeed that Jim Pridham, a great advocate of our industry, has become ECA’s new president. The ECA team look forward to working with Jim to further enhance the status of the wider engineering services sector. On behalf of ECA’s staff and members, we are very grateful to Malcolm Crofts for his active support and engagement with the issues facing the industry, and his achievements over the past year as ECA President.”

TRAINING AWARD FOR J S WRIGHT APPRENTICE An apprentice design engineer with mechanical and electrical services specialist, J S Wright, has won a major award for his outstanding commitment to training. Danny Buckley, who works from the Birmingham HQ of the 129-year-old company, was presented with the Higher Education Construction award at the annual South and City College’s Sir Doug Ellis Apprenticeship Awards, held at the city’s Macdonald Burlington Hotel. The 22-year old from Solihull received his trophy in front of 200 guests from the local business community at the ceremony, which celebrated the key role of apprenticeships in the UK’s skills and employment strategies. Danny completed his BTEC Level 3 National Diploma in Building Services Engineering through South & City College, and is now in the first year of his Level 4 HNC course in Building Services Engineering at the Birmingham college. As well as being supported by his college tutor, Mark Price, Buckley has been a member of the J S Wright Academy since joining the company three years ago. He is also being mentored by design engineer, Tom Hollywood, on J S Wright’s ‘experience’ programme, which helps the company’s technical apprentices fast-track their way up the career ladder. Mark Price comments, “Danny’s attendance, motivation and work ethic in pursuit of his academic qualifications have been outstanding. Credit must also go to J S Wright for the excellent structure and support of its apprenticeship scheme, which enables its young people to pursue their apprenticeships to the best of their ability.” J S Wright, Danny Buckley (centre), receives his award from the Lord Mayor of Birmingham, Councillor Yvonne Mosquito (left), in the company of Neil Walters (right), Chairman of the National Federation of Builders

The full ECA Presidential Team for 2019/20. L-R: Malcolm Crofts, Jim Pridham, Garry Worrall and David Lewis

The full ECA presidential team for 2019/20 is now as follows: • Jim Pridham (JR Pridham Services) – President • Gary Worrall (Lorne Stewart Engineering) – Senior Vice President • David Lewis (Chancery Contracts) – Vice President • Malcolm Crofts (DH Crofts)– Immediate Past President ECA,

MOSS ANNOUNCES EV CHARGING INVESTMENT Moss Electrical has announced investment to introduce a range of electrical vehicle (EV) chargers to the UK market for the ever-growing EV sector. The brand new, fast charging units are ideal for any home, office, school or hotel environment. In recent years, the UK market for EV cars and charging infrastructure has increased tremendously. Since 2012, there has been a 98% increase in the number of electric vehicles and plug-in hybrid vehicles on the road, reaching over 130,000 in 2019 – with 12,000 of the vehicles in London alone. The growth in the number of available charge points has risen by 44% since 2012, equating to 15,000 charge points – roughly one for every four electric vehicles. With the number of electric vehicles rising, it is vital that more charging units are available to the UK market. Robert Moss, Managing Director of Moss Electrical, comments, “With the ever-increasing demand of electric vehicles, the importance of strong distribution and availability of charging units is evidently more vital”. The main arguments against electric vehicles include the long charging times for standard units, compared to the five minutes in the petrol station people are used to. Our charging units allow for a full re-charge within four or oneand-a-half hours [depending on the model]. Installing these at home or the office means that any person with an electric vehicle can get a full battery charge overnight, or during a meeting or conference.” The two models available, VEC-63/2 and VEC-63/4, are OLEV approved and grant fundable through the EVHS and WCS schemes. Moss continues, “In recent months, car manufacturers, such as Mercedes-Benz, are developing electric vans/ sprinters which will hopefully be rolled out to the commercial market soon. As a company, the idea of running a full zero-emission delivery fleet would be a great achievement and progression for Moss. Watch this space.” Moss Electrical,

SELECT PREPARES FOR 107TH AGM A year of successful campaigning on behalf of Scotland’s professional electricians will be marked at the 107th AGM of Select, the trade body for the electrotechnical industry in the country. Select’s long-running campaign for Protection of Title for electricians has gained a high profile in the Scottish Parliament over the year, and support has increased from all quarters, including from senior parliamentarians. 2018/19 has also been a successful spell for Select’s training programme, which has seen record numbers of attendees at courses all over the country. The AGM, taking place in Grangemouth on June 5, will also see the appointment of Kevin Griffin as President of Select, and Donald W Orr as Vice-President. It will also feature a technical update, presented by Dave Forrester, Head of Technical Services. It will focus on the new Fire Detection and Fire Alarm Systems in Dwellings regulations, as an amendment to BS 5839-6 this year brings changes to standards for fire detection and fire alarm systems. In Scotland, further changes are coming due to the extension of the tolerable standard and updated guidance on the repairing standard that will see the introduction of enhanced fire safety requirements across Scotland’s housing stock.

MOVERS & SHAKERS… EcolightingUK has made some strategic changes to its management structure. Steve Gardner, previously Business Development Director at the company, has been appointed Managing Director, and Martin Needham, the company’s former MD, now becomes Chairman. The company has also recruited Tony Smith as its new Area Sales Manager, and Michael Woodfield as an additional Project Manager. The latest new appointment at ESP sees Iain Russell take up the position of Area Sales Manager for Scotland. As well as a background within the construction sector, he brings over a decade of experience in successfully representing leading power tool and hand tool companies. Cable management specialist, Unitrunk, has appointed experienced sales manager, Sean Raymond, to the newly-created post of commercial lead for its Newcastle depot, continuing the company’s strategic focus on leveraging its depot network to strengthen relationships across the supply chain.


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24/05/2019 14:34


We really hate THE FUTURE OF UPS BATTERY CHEMISTRY interruptions. For UPS system builders and users today, two battery chemistries predominate: lead acid (typically VRLA), and lithium ion (Li-ion). Alex Operations at Kohler Uninterruptible Power, compares the But Emms, we quickly wantedDirector to inform two chemistries, and considers remains dominant for UPS standby applications. you of why our VRLA new name.


Uninterruptible Power Supplies 200kW N+1 Modular System Li-ion solution is becoming Kohler Uninterruptible Power.

RLA is long-established with a majority market share, while champions of the relatively new Liion products claim them as superior UPS standby power solutions. KUP is neutral in this debate, without commitment to either battery type.


W x D x H in mm

Weight kg

W x D x H in mm

Weight kg

7 minutes

650 x 600 x 2055


1870 x 900 x 2450


15 minutes (19 min Li-ion)

1300 x 600 x 2055


2480 x 800 x 2000


30 minutes (35 min Li-ion, 31 min VRLA)

1950 x 600 x 2055


2490 x 875 x 1900


So why don’t Li-ion batteries dominate the UPS market?

Li-ion Advantages

Table 2: Percentage cost elevation of Li-ion over VRLA for various autonomies Nb. VRLA systems include PowerNSURE battery management system

VRLA solution

Table 1: Comparison Primarily, Li-ion batteries have a better Li-ion protagonists point to the batteries’ of Li-ion and VRLA power-to-weight ratio than similarly-rated longevity as an advantage offsetting its battery dimensions VRLA types, as shown in Table 1: higher capital cost. However, Kohler and weights They also discharge more efficiently Uninterruptible Power’s experience shows than VRLA at high C (discharge) rates, that UPSs correctly installed in a suitable although this advantage erodes at lower environment, and properly maintained C rates. Charging rates from fullyand supported, are typically reliable for 15 discharged are also higher with suitable years. This neatly matches two consecutive chargers. Another claimed advantage is seven to eight year VRLA lifetimes, but a very wide usable temperature range, raises replacement co-ordination issues although discharge rates and longevity can with 12-year Li-ion batteries. be optimised by operating at 23°C ± 5°C. Li-ion is also disadvantaged by the Li-ion batteries have improved resilience true costs of achieving suitable autonomy, to temperatures outside this range, with which is traditionally 10-15 minutes for much better low-temperature discharge UPSs. However, in reality, most blackouts capabilities than VRLA. However, like last either for three minutes or less, or for VRLA, operating at excessively high closer to three hours. While VRLA costs temperatures significantly reduces Li-ion can be decreased by designing for this batteries’ useful life. lower autonomy, the same isn’t true for Cost is another critical factor. Prices have Li-ion. Such short autonomies can only fallen significantly (by up to 85%) over the be achieved from more expensive higher last decade, and these reductions naturally discharge-rate cells. Accurately and costincrease Li-ion’s appeal. However, as Table 2 effectively sizing for different loads is also shows, Li-ion pricing is still a barrier. difficult, with Li-ion’s currently very limited However, we are definitely in early choice of capacities. stages of adoption. While prices aren’t There is also an element of mistrust. In decreasing as fast as previously, they are reality, manufacturers have considerably still tracking down, creating significant progressed in addressing safety fears through WHY THEaCHANGE? uptick in adoption. EMEA lags in Li-ion highly-segregated cell designs and mandatory It is a decade since we adoption but deployments are picking up joined Kohler Co., one of advanced monitoring and management in NAM and Asiathe much faster. Fig.1 shows largest privately held companies in the US, and systems. Yet Li-ion is still sometimes seen historical and projected future trends forthey first stepped into power as unproven, and a safety risk. nearly 100 years since battery pack manufacturing costs. products. And with our solutions now spanning UPS, Design life is another factor, for which generators and emergency lighting inverters, plus manufacturers are quoting up to 15 years. class-leading 24/7 service, it is simply time our name Operational life is probably nearer 10-12 reflected we are and all we do today. years, but not yet proven. who This compares with a real-life norm of seven to eight years for VRLA.

200kW N+1 Modular System

End-of-life creates further problems; an exhausted Li-ion battery primarily comprises hazardous waste that’s difficult to recycle, and subject to high costs and restrictions during transportation. By contrast, VRLA is up to 98% recyclable. However, lithium battery recycling research initiatives, including one by the US Energy Department, are now underway.

What of the future? As prices continue falling and Li-ion becomes more accepted, the chemistry’s penetration of the data centre battery market can be expected to increase. Bloomberg New Energy Finance forecasts a market share increase from 1% in 2016 to 35% in 2025. However, VRLA will also continue developing and fighting for its market share. While not mandatory for VRLA, increasing use is being made of battery monitoring and management systems. Kohler Uninterruptible Power’s PowerNSURE, for example, can increase battery life by up to 30%, while also increasing reliability and reducing maintenance costs. Kohler Uninterruptible Power,

Li-ion over VRLA cost elevation

Autonomy 7 minutes


15 minutes (19 min Li-ion)


30 minutes (35 min Li-ion, 31 min VRLA)


Fig.1: Electric vehicle battery manufacturing cost trends

12 | June 2019

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CONTRACT NEWS ZUMTOBEL LIGHTS UP SCHOOL’S ‘LEARNING PLAZA’ Luminaires manufactured by Zumtobel Lighting have been installed as part of a £600,000 makeover project at the Mintlaw Academy secondary school, giving its library a brand-new space known as the ‘learning plaza’. The luminaires were chosen to enhance the overall appearance of the new state-of-the-art facility, whilst increasing wellbeing and comfort for users, providing a low maintenance, energy efficient solution. Located in Aberdeenshire, Mintlaw Academy has a capacity for 1,000 students. The new learning plaza includes new study areas for pupils, a library, a resource centre for teachers, and an IT suite. Zumtobel’s Vaero LED was chosen to cater for the need to adapt the lighting for different visual tasks and individual needs. This LED is a purist direct/indirect pendant luminaire with a clear, minimalist and discreet design that can be successfully integrated into very different areas and almost any room architecture. With the aid of special technology, the light is evenly spread from the luminaire centre to the edge, for a pleasant distribution of light and a pleasing visual ambience. Caela pendants, along with an Ondaria fitting, were used for their flexibility and aesthetic qualities. The precisely processed diffuser material of Caela enables exact dispersion of the light emitted, and the luminaires can also turn 355° and tilt 45° so several luminaires can form a curve. The Ondaria decorative round fitting provides a gentle lighting effect within a harmonious design. Zumtobel,


NO MORE FALSE ALARMS FOR GROVE HOUSING Grove Community Housing Association in Northern Ireland has replaced its smoke alarms with Aico multi-sensors and Ei164e heat alarms in more than 80% of its properties. Grove Community Housing Association manages 218 properties in North Belfast, which are a mixture of new builds and renovated existing dwellings. With the smoke alarms in these properties coming to the end of their tenyear life, Grove looked into the market for mains powered alarms that are reliable and could reduce false alarms. Denis Bleakley, Grove Community Housing Association’s General Manager, explains, “We wanted ten-year life rechargeable batteries so that neither tenants nor the Association would be troubled by battery replacement. Being rechargeable also means that if for some reason the electricity supply is off for an extended period, the batteries still do not need to be replaced and the alarms function safely. We liked the multisensor technology to reduce false alarms for us and our tenants, which we found was backed up by Building Research Establishment (BRE) research.” The multi-sensor fire alarms contain two sensor types – optical and heat – to constantly monitor smoke and heat levels, sending and receiving information via its intelligent detection software for fast response and reduced false alarms. The latter is enhanced through a dust compensation feature. The Housing Association confirmed that no false alarms have been reported since the installation of the Aico alarms. Aico,

Northern Ireland’s first ‘lifestyle inspired care home’ is being protected by innovative life-safety systems from C-TEC. Designed by Bailie Associates, installed by Turner Electrical NI and supplied and commissioned by Fire NI, the systems are designed to provide the highest levels of protection for residents and staff at Milesian Manor, a care home based in Magherafelt. Employing over 50 staff, the home specialises in creating spaces designed to conjure up memories of activities residents enjoyed in the past and even features a bar, beauty and hair salon, spa bathroom, café, cinema and wellness garden. Communication between patients and staff is facilitated by a powerful Quantec addressable call system, tailored to meet the home’s exact requirements. Each bedroom is equipped with a call point, and patients have their own tail call leads with which to call for assistance. In addition, bed and chair exit mats have been installed in day rooms, bedrooms and lounges to alert staff immediately should a patient leave their bed or chair. Door entry/exit monitoring systems are also in operation, powered up by a series of C-TEC’s EN54-4 certified power supplies. At the heart of the home’s fire protection system is one of C-TEC’s ZFP 4-loop addressable fire panels, connected to four compact controllers. With its touchscreen-controlled interface, the panel can easily be accessed by authorised personnel. C-TEC,

RDM BRIGHTENS UP SWANSEA MARKET RDM Electrical and Mechanical Services has been contracted by Swansea Council to undertake the installation of a new lighting system at Swansea Market. An investment of over £200,000 has been made for the new lighting system, which will see the replacement of the current lighting infrastructure with a modern, more efficient LED system. The new lighting will improve visitors’ shopping experiences, cut energy costs, and make the venue easier to manage. The project started in mid-April, with the works anticipated to be completed by the start of June. The market will remain open as usual throughout the duration of the project. The contract adds to the vast portfolio of work undertaken by Llansamlet-based RDM Electrical and Mechanical Services in the city on private developments, as well as its 30-year history of delivering successful projects with local authorities. Dave Kieft, Director and Co-Owner of RDM, comments, “We are thrilled to have been appointed to provide our services at Wales’ largest indoor market. As a specialist local contractor, we pride ourselves on contributing to these important projects that improve key landmarks and facilities within our home city.” RDM Electrical and Mechanical Services, L-R: Pictured at Swansea Market, celebrating the start of the venue’s new lighting work, are John Burns, Market Supervisor; Chris Evans, Swansea Market Traders Federation Chairman; and Dave Kieft, RDM Electrical and Mechanical Services Director

14 | June 2019

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CONTRACT NEWS WRIGHT SECURES LONDON HOUSING CONTRACT London property maintenance company, Wright Maintenance, has secured a major service contract with rental housing company, Greystar. Wright Maintenance, part of M&E building services provider J S Wright, will service MyLo, a collection of 172 Greystar-owned and managed high-specification luxury apartments at three estates in prime London locations: MyLo Nine Elms Point, MyLo Fulham Riverside and MyLo Aldgate. Wright Maintenance will keep the services for all the apartments in full working order from warranty periods into a pre-planned preventative maintenance regime. The servicing, to be carried out by highly skilled mobile engineers, will extend across heating, hot water, ventilation and comfort cooling systems. The lion’s share of the support will be for MyLo Nine Elms Point in Vauxhall, where the company will service heating interface units, underfloor heating, hot water storage cylinders, mechanical ventilation heat recovery, cooling interface units and fan coil units for 118 properties. The servicing, which has already begun, has been a natural progression for Wright Maintenance as all the systems were originally installed by J S Wright.

WESTON PARK HOSPITAL CONTRACT FOR BES BES, a specialist in sophisticated healthcare, pharmaceutical and cleanroom facilities, has been awarded a £1.75 million design and build contract for a new pharmacy and aseptic suite for chemotherapy and clinical trial/emerging therapy at Weston Park Hospital in Sheffield. The company will take on the role of principal designer and principal contractor for the venture. BES was awarded the project following a detailed NHS procurement process, with the company’s bid scoring high on both cost and quality, including price, project delivery, and health and safety criteria. The company has already helped the Trust to identify value engineering opportunities appropriate to the classification of each area, with modifications to the HVAC and finishes that will reduce build costs, operational costs and the unit’s carbon footprint. Together with new offices and change areas, the new facility will contain four isolator suites. The isolator suites and their associated change rooms will be designed to comply with EU GMP Grade C. One isolator will be an Advanced Therapy Medicinal Product (ATMP) isolator. It will provide an EU GMP Grade A environment within the main chamber of the isolator. New air handling units to serve the new facility will be designed to comply with the requirements of HTM 03-01. The chemotherapy suite and clinical trials areas will each have their own dedicated unit. Maintaining business as usual within a fullyoperational hospital without any interruptions is a critical success factor for this project, which is scheduled for completion in May 2020. BES, A 3D image of the Chemotheraphy Inner Support Area

MyLo Nine Elms Point, which is now being maintained by Wright Maintenance

The same applies at MyLo Fulham Riverside, where Wright Maintenance will service the ventilation and heating systems for 25 properties; while at MyLo Aldgate, the company will service the heating, hot water, ventilation and

comfort cooling systems for 29 properties that were fitted out by another contractor. J S Wright,

SUSTAINABLE CONNECTIONS FOR BIOMEDICAL BUILDING Wieland Electric has supplied its Metalynx² structured wiring system and Revos electrical connectors for use in the new six storey state-of-the-art, Biomedical Research Building on the Cambridge Biomedical Campus. Home to the Cambridge Stem Cell Institute, the prestigious 18,000m2 building is part of the University of Cambridge and located directly next to the Cancer Research UK Cambridge Institute. The new facility will bring together all the medical research groups currently located across the city to provide a fully integrated, vibrant and cohesive stem cell community. The six-storey building includes sophisticated laboratory spaces, offices, cafés, seminar rooms, exhibition spaces, a landscaped courtyard and meeting suites to accommodate a variety of biomedical research groups. Wieland’s Metalynx2, a six-pole circular structured wiring system that features a patented coding system, has been installed throughout the facility to connect the lighting control modules and fan coiled units, cleaner sockets and all laboratory power. Available in 20A and 32A ratings with round connectors to minimise space requirements, the system uses a minimum number of components, all of which arrive on site pre-tested and prefabricated and simply lock together for the secure installation of lighting and power distribution. With structured wiring now firmly established as the standard for fasttrack projects, Metalynx2 represents a new, smarter generation, helping to deliver even greater savings on costs and installation time. The system is environmentally friendly, as the pre-fabricated sections means zero waste on site; while the design of the system allows complete flexibility, as future layout changes can be accommodated quickly. Wieland,

NEW CABLING INFRASTRUCTURE FOR COVENTRY LIBRARY Multi-compartment trunking from cable management specialist, Unitrunk, is being used to provide the new data and electrical cabling infrastructure for an upgrade to the library at Coventry University. Designed by Birmingham-based practice, Associated Architects, the £2.1 million library upgrade includes a new entrance, reception and café for the library, along with refurbishment of some of the study areas. To enable the library to remain open for use throughout the project, the electrical installation will be delivered in two phases, with the new build elements due to complete in June and the phase II refurbishment programme due for handover in August. Unitrunk’s trunking has been used in two sizes to connect all electrical, LV and data services from the existing risers in the newly constructed and refurbished areas. All the trunking is being installed in the ceiling void, and power and lighting cables will be installed in one compartment, while the other compartment will be used to contain data, fire alarm and LV cabling. The electrical installation is being carried out by Whittaker Brothers, which is working closely with the university and the other delivery partners on the project to manage the challenges of an occupied building and temporary access, particularly during the busy exam season as Phase I nears completion. Unitrunk,

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TRAINING NEW TRAINING FACILITY FOR SCHNEIDER Schneider Electric has opened a new, purpose-built, 660 square metre Safety Academy at its UK headquarters in Telford. The two-storey facility will enable the company to increase both the number of health and safety training courses it runs, as well as the number of training places available on each course by up to 40%. Courses at the facility will be available to both Schneider Electric customers and partners. In addition, all of Schneider’s UK employees will now receive health and safety training at the facility. Last year, Schneider Electric trained thousands of delegates on the safe operation of low, medium and high voltage electrical products, including staff, customers and partners. For the last five years, Schneider Electric has been running courses from its training facility in Coventry. The popularity and demand for its specialist courses led to the decision to invest in a new facility to increase the quality and capacity of the training on offer. The new Safety Academy facility boasts a 280 square metre, hands-on demonstration and training area with over 70 low, medium and high voltage switchgear products from a variety of manufacturers (including Schneider Electric), connected in configurations that simulate real-world operational environments. There are three 16-seater training rooms, as well as a number of break out areas. Mike Hughes, Zone President of Schneider Electric UK and Ireland, explains, “Understanding how to install, operate, maintain or handle low, medium or high voltage products safely is absolutely imperative, whether those

RESIDEO LAUNCHES NEW TRAINING COURSES Following extensive feedback and trial days, Resideo has enhanced its training offering with the addition of three new courses. Installers can now choose between Standard Installer, Controls Applications or evohome Installer training, to suit their interests and existing skills. The Standard Installer training covers the basics of heating system controls, including how to install and fault find on standard ‘S & Y Plan’ systems. It is ideal for those who are new to the heating industry and want to learn the basics of heating controls. Controls Applications is a more advanced session, designed for those who already have a thorough understanding of standard ‘S & Y Plan’ systems and want to gain confidence installing more complex technology. Attendees receive in-depth training on OpenTherm and load compensating technology; thermostat applications, including single, multi zone and stored hot water control; security and awareness of products, such as Wi-Fi cameras and water leak detectors; and smart home integration, including creating scenes, voice control and geofencing. Finally, the evohome Installer course is ideal for those wanting to gain in-depth, product specific knowledge on the most advanced Honeywell Home control system. Covering everything from planning through to customer handover, attendees will gain the knowledge needed to confidently fit evohome on different heating systems in a variety of different property types. To book, visit heatingcontrols. training-onsite.

products are manufactured by Schneider Electric or any other firm. We are incredibly proud of our new state-of-theart training facility here in Telford. The practical training

room is one of the largest in the country, offering delegates a best-in-class training experience.” Schneider Electric,

POPULARITY BOOM FOR SELECT COURSES The dedicated training department launched last year by Select, Scotland’s largest trade association, is experiencing a significant rise in demand. Driven by changes to BS 7671, the department has run as many courses in the first quarter of 2019 as it did in the whole of 2018. In the first three months of 2019, Select ran 68 BS 7671 courses all over the country, involving over 800 delegates. It is planning at least another 40 courses for the second quarter, which will bring the new regulations to another 600 electrical professionals. Jenny Cryans, who runs the new training department, says, “The demand from our members has been exceptional, and the courses that we have been running have attracted very positive feedback. The changes in the regulations have been a major factor in the increase in demand, but we are heavily involved in other courses as well.” As well as the popular BS 7671 courses, the department is introducing a range of short courses, in collaboration with New College Lanarkshire, to cover aspects of fire and security. It is also working in partnership with Training Plus to deliver courses in Aberdeen, Glasgow and Edinburgh. Training Plus specialises in core health and safety elements, such as Emergency First Aid at Work and Manual Handling. Future subjects will include Working at Height and Asbestos Awareness. Cryans continues, “Changes in technology are also driving demand in areas such as EV charging, smart controls, energy storage systems and energy efficiency in general.” Select’s training team has also just launched The Electrical Site Safety Assessment, a new SQA-accredited course, in conjunction with the Scottish Joint Industry Board, which is aimed at non-technical staff who work at construction sites. SELECT,


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13/05/2019 09:28:27


THE HEAT IS ON FOR GLOBAL WARMING TARGET The Committee on Climate Change (CCC) – the official adviser to UK Government – has published a new report, Net Zero, that seeks to reassess the UK’s emissions targets. ECN details the key findings, and looks at how the industry has reacted.


itled Net Zero – The UK’s contribution to stopping global warming, the latest report from the Committee on Climate Change (CCC) responds to a request from the Governments of the UK, Wales and Scotland, that asked the CCC to reassess the UK’s long-term emissions targets. The CCC’s new emissions scenarios draw on ten new research projects, three expert advisory groups, and reviews of the work of the IPCC and others. The report’s key findings are as follows: •T he CCC recommends a new emissions target for the UK: net-zero greenhouse gases by 2050. • I n Scotland, it recommends a net-zero date of 2045, reflecting Scotland’s greater relative capacity to remove emissions than the UK as a whole. • I n Wales, the CCC recommends a 95% reduction in greenhouse gases by 2050.

The front cover of the 277-page Net Zero report, published last month

A net-zero GHG target for 2050 will deliver on the commitment that the UK made by signing the Paris Agreement. The CCC says that it is achievable with known technologies, alongside improvements in people’s lives, and within the expected economic cost that Parliament accepted when it legislated the existing 2050 target for an 80% reduction from 1990. However, this is only possible if clear, stable and well-designed policies to reduce emissions further are introduced across the economy without delay. Current policy is insufficient for even the existing targets.

The ECA’s response The ECA welcomed the Net Zero report, agreeing with some of the main recommendations which advise that Government take actions to reach net-zero UK carbon emissions by 2050.

Luke Osborne, ECA Energy & Emerging Technologies Solutions Advisor, says, “As well as following some of the key recommendations of the report, the Government should also work to implement the recent findings of the Green Finance task force, particularly regarding driving up demand and supply for green mortgage products and green lending. “More widely, however, the government now needs to adopt a very clear pathway, with milestones, to meet the 2050 target. In doing so, it will show a more activist approach in providing funding and regulation where both might be needed.” ECA’s view is that robust, long term policies are necessary to give financial investors confidence, and also to give confidence to a large number of businesses and facilitators who could help achieve these targets. Osborne adds, “Many SMEs are currently able to deliver energy efficiency measures, but could be reluctant to invest after previous changes in Government policy, such as the Green Deal and the Feed-in-Tariff.” ECA has also called for stronger investment in skills and education training to meet the increasing demand for competent electrotechnical installers.

The HPA weighs in The Heat Pump Association (HPA), a leading authority on the use and benefits of heat pump technology, has also welcomed the report. The HPA agrees with the Committee that reaching this target is feasible with already available technologies, such as heat pumps, which are vital in the decarbonisation of UK heating systems. Crucially, the report highlights the need for the Government to act immediately to implement a clear regulatory framework to achieve the decarbonisation of heat and recommends a range of policies to do so.

“The CCC recommends a new emissions target for the UK: net-zero greenhouse gases by 2050.”

The policy recommendations of the report include support for low carbon heating, a review of the balance of tax and regulatory costs across fuels, and a nationwide training programme to upskill the existing workforce. The HPA is pleased to see these recommendations as a means of reflecting the benefits of low carbon technologies, and aims to work with all stakeholders to develop effective policy; starting with the upcoming Part L Review and consultation on the regulatory framework for the future of heat to phase out high carbon fossil fuels. Graham Wright, HPA Chairman, comments, “The HPA wholeheartedly supports the report’s recognition that urgent action is required to meet a netzero target and welcomes the specific recommendations for decarbonising heat within the publication. “Momentum is now gathering among the public, acknowledging the need to change the way we heat our buildings. As highlighted in the report, known technologies, such as heat pumps, offer a clear solution for this. “Heat pumps offer an extensive opportunity to reduce the UK’s emissions, as well as helping to address other policy issues such as fuel poverty and air quality. The Future Homes standard is set to be introduced in 2025, and supported within this report, represents the ‘low-hanging fruit’ of heating in new builds; which, in addition to those properties off the gas grid, should be the immediate focus for the Government.” ECA, The Heat Pump Association,

To download the full Net Zero report, visit

18 | June 2019

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EQUIPPED FOR SAFETY A look at how Martindale and Baxi Heating are working together to comply with the latest Gas Safe Register guidance.


artindale Electric, a manufacturer of electrical test equipment, has supplied Baxi Heating with testers for checking appliance wiring and earthing, together with locking off devices, to ensure circuits can be safely isolated before carrying out any work. The tools keep Baxi’s gas service engineers safe when installing and servicing heating equipment, and are essential for achieving compliance with the latest Gas Safe Register guidance TB118 2018. The changes mean new test procedures are now required to keep service engineers safe from electrical hazards. In addition to carrying out safe isolation procedures to prove that circuits are dead and locked off, the new guidance now requires verification of mains earthing.

At the forefront of gas service and safety

Martindale’s ‘all in one’ gas engineer electrical safety kit

Founded in 1866, Baxi Heating is a part of BDR Thermea, one of Europe’s largest manufacturers and distributors of domestic and commercial water and space heating systems. As an industry leader with more than 6,400 service engineers worldwide, Baxi Heating is at the forefront of improving gas service and installation engineers’ safety in the field, in accordance with the latest changes to TB118.

Engineers have also been supplied with a range of equipment to securely lock off circuits, such as: the LOKFS1 universal fused spur locking off device, which offers a simple solution for safely isolating fixed wired appliances including cookers, boilers, hand dryers and water heaters; and the slim line LOK7, which is suitable for locking off MCBs, where there is restricted access. Locking off circuits and proving dead before carrying out work on electrical equipment and systems is a requirement of the Electricity at Work Regulations HSG85 and TB118 to ensure the safety of workers on site.

Safely measuring AC/DC current

After researching the market, Baxi Heating provided 250 of its trainers and engineers with a range of Martindale Electric equipment, which includes the EZ650 earth loop and polarity checker for socket and spur testing. The EZ650 simplifies the process for identifying a satisfactory earth by combining a basic socket tester with an earth loop check that uses clear red / green LEDs, making it easy to interpret the results and see whether the earth loop value is within acceptable limits. The EZ650 socket and loop tester can be used on both 13A sockets and fused spurs to quickly identify a hazardous earth before starting work. This approach offers a simple solution to complying with TB118.

Baxi Heating has provided its trainers and engineers with a range of Martindale Electric equipment, including the EZ650 earth loop and polarity checker for socket and spur testing

Testing earth quality

Martindale LOKFS1 Universal fused spur locking off device

An effective mains earth is essential for appliances with earthed enclosures. Basic socket testers will not check the quality of the earth; to do this, an earth loop impedance test is required. For this reason, the latest edition of TB118 now specifies that an earth loop impedance test should be carried out. The updated document reflects the requirements of HSE HSG85 Electricity at Work Regulations and HSE Engineering Information Sheet No 35 concerning the service and repair of domestic appliances. A low earth loop impedance measurement is important to ensure that fuses and miniature circuit breakers achieve a fast disconnection time to avoid electrocution. This approach of using an advanced socket tester offers a simple solution to complying with TB118 and is common among service organisations, particularly those installing and maintaining domestic appliances.

In order to make testing more convenient, Baxi Heating engineers are also equipped with Martindale’s all-in-one ET5 electrical tester with fused test leads, in accordance with G38. This will enable them to safely measure AC/DC current without breaking into the circuit and carry out voltage and continuity testing. Other features of the ET5 include temperature and capacitance measurement, together with non-contact voltage detection. Martindale Electric is a specialist in providing equipment to ensure safe working on electrical circuits and has designed a wide range of lock out kits and safety equipment, including voltage indicators, proving units and isolation locks to ensure maximum safety in the workplace. Complete kits are available to simplify compliance with the latest regulations and guidelines, including the Martindale TB118KIT1, a gas engineer electrical safety kit. Martindale Electric,

20 | June 2019

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BETTER SAFE THAN SORRY Mark Flanagan, Technical Manager at Scolmore Group, talks about fire-rated downlights, why fire rating is required, and the importance of ensuring products are tested to the highest standards to guarantee they are reliable and safe.


n the light of the Grenfell tragedy, the spotlight has been shone on fire safety, with the result that building regulations are becoming much more stringent, and building products are coming under more scrutiny. As the first manufacturer to launch fire-rated downlights back in 2005 – with our award-wining FlameGuard fire protected and acoustic rated products – we have had years of experience in developing, modifying and improving our range of products to ensure they meet the latest requirements.

Why is fire rating required?

An exploded view of a fire-rated downlight from Scolmore

A standard house in the UK usually has two floors, and where there is living space above, the wooden floor construction with plasterboard ceiling must pass stringent fire tests. In these properties, the complete floor/ceiling construction between the two floors must withstand a minimum of 30 minutes of fire to: 1) prevent rapid fire spread, which could entrap occupants of the building; and 2) to reduce the chance of fires becoming large, on the basis that large fires are more dangerous – not only to occupants, fire and rescue service personnel – but also to people in the vicinity of the building. Where there is no living space above (loft space, for example), no fire rating is required. However, we would still recommend fire-rated downlights in the event this area should be converted to a living space at a later date. The more floors in a building, the longer the fire protection/compartmentation has to last. In a three-story building with the loft converted to a bedroom, the floor constructions must comply with a 60-minute fire rating to give enough time for the occupants to evacuate in the event of a fire.

Downlights and fire rating The floors and ceilings will have passed fire testing as a complete floor, but once an aperture for a downlight is made, the fire barrier is broken. A standard open back downlight allows the fire, vapours and heat to penetrate the floor space, and can lead to collapse before the required times of 30, 60 or 90 minutes. A fire-rated downlight uses a sealed steel body, together with an exterior intumescent strip around the unit. In the case of a fire, these elements separate the room from the ceiling void, preventing the spread of fire. The intumescent material helps stop the fire, heat and vapours from spreading into the void.

Downlights and fire testing Our testing is carried out to strict BS standards, and there are a number of building regulations that cover the testing of downlights:

A look at an Inceptor Pico FG – Scolmore’s fire rated, fixed integrated LED downlight – being installed

• BS 476: Part 21: 1987 – Fire tests on building materials and structures. Methods for determination of the fire resistance of loadbearing elements of construction. • BS EN 1365-2: 2014 – Fire resistance tests for loadbearing elements. Floors and roofs. • BS EN 1363-1: 2012 – Fire resistance tests. General requirements. All our fire tests are carried out by independent testing specialist, BRE (Building Research Establishment). BRE Global is a UKAS accredited testing laboratory, that can comprehensively test, predict and assess the fire performance of products and materials to British, European, marine and international firetest standards.

BRE tests our fire-rated downlights under real world conditions. This starts with the construction of the floor to fit the furnace (approximately 4.5m x 3.5m), whilst following the material manufacturer’s construction guidelines for the fire rating required. The joists, floor board and plasterboard are assembled, with the apertures then cut and the downlights fitted. The downlights have to be spaced at recommended distances to give an account of real-life installations in a worst-case scenario. Once constructed, weights are added to the floor to simulate the weight of furniture, etc. The floor is lifted into place on the furnace, with the heat thermocouples added to the required elements. The furnace is heated by gas burners, to over 1,000°C, and the furnace temperature is regulated and monitored during the testing. The temperature during the test can exceed 1,000°C. If more than one layer of plasterboard is fitted (e.g. the 90-minute fire test), the first layer can fall without being deemed a failure. The main contribution to an early failure is a hot joint on the floorboards. This is mainly due to vapours and heat build-up within the floor void exceeding 300°C, where ignition is only required. The test can stop in the event of earlier failure – whether the required time has elapsed or until the floor construction collapses. Scolmore designs its products to withstand the rigorous testing that is necessary to meet the requirements of the BS standards governing their safety, and wholesalers should be using this information when advising their customers on the right products for the project they have in mind. With a Scolmore fire rated downlight, they have the assurance that this is a quality product that has undergone all the required and rigorous testing and is a reliable and safe product to use. Scolmore,

The Nano5 consumes less power and produces a comparable light output while reducing the size and cost

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New range available VISION PRO

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HIGH POWER, BIG SAVINGS Jeff Richardson, Aurora Lighting Group’s Divisional Director, explains how Enlite’s AriahPro high bay is engineered for industry and designed to last.


cross the UK, there are likely to be thousands of units on industrial and commercial estates in which high intensity discharge (HIDs) are still in place; but where an LED solution would make a worthwhile contribution to a company’s bank balance – in addition to the nation’s energy saving targets. With affordable, energy-saving LED lighting designed specifically for this type of premises, it is becoming a highly attractive option for many building owners and users, and one worth proposing. By replacing fittings on a one-for-one basis, there’s usually no need for a costly rewire (providing the wiring is still in good condition); and electrical work can be phased as budget and operations permit. A typical LED upgrade usually pays for itself in two years.


Dimmable LED highbays

“Enlite’s AriahPro 150lm/W LED high bays are cost effective, compact in size, and reduce maintenance costs.”

Having remained a popular industrial solution for many years, HIDs have now been measurably superseded by today’s LED technology, in respect of both light output and running costs. A popular replacement, Enlite’s AriahPro 150lm/W LED high bays are cost effective, compact in size, and reduce maintenance costs. Ideal for warehousing, manufacturing, conference centres, etc., they offer outstanding energy saving when compared with HID. Let’s compare HIDs typical energy consumption with the AriahPro. Say 12 low or high bay 250W Metal Halide fittings are required to illuminate an industrial space, and these would typically consume 3000W in total. By retrofitting with AriahPro’s 150W option, energy consumption would be almost halved. With up to 30,000 lumens to L70 50,000 hours, the highly thermal efficient aluminium heatsink allows a low operating temperature of up to 50°C.

Enlite’s AriahPro comes in 100W, 150W and 200W options. Its 120° beam angle is standard, and optional 70° polycarbonate or 60°/90° aluminium reflectors are available. Engineered for industry and designed to last (it comes with a five-year warranty), this high-power LED high bay is IP65-rated, dimmable, offers 1.5kV surge protection and its die-cast housing has an IK08 impact rating for maximum protection in all environments. The AriahProHighSense comes with the same features as the AriahPro, but also includes a motion sensor with adjustable detection up to a radius of eight metres. With sensing options and the opportunity to make the AriahPro smart with Aurora’s AOne, energy costs can be reduced even further, making high industrial lighting running costs a thing of the past. Aurora Lighting,

OVER 65% ENERGY SAVINGS compared to traditional alternatives


efficiency of 150lm/W

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L-R: Colette Curry, Clare Ward and Jo Gregory, the current team at Clare PR as it marks 30 years in business

THE SPARK THAT IGNITED A 30-YEAR JOURNEY Clare Ward, Managing Director of Clare PR – a PR agency that has specialised in raising the profile of companies in the electrical sector for 30 years – discusses how things have changed over those three decades, and explains why the core principles remain the same.


hen I first set up in business in June 1989, the internet was in its infancy, no-one had email, and social media wasn’t even a twinkle in the eye of Mark Zuckerberg. Indeed, he was still in kindergarten. News didn’t break minute-by-minute, and there were no instant updates on the mobile device in your back pocket; we relied on the monthly arrival of magazines like ECN to update us on what was happening in the electrical sector. Then, as now, it did a fine job. There has been plenty of change since 1989, with an excellent online presence to support the printed magazine and busy

social media accounts. That’s why as an agency, we still regularly work with ECN, just like we did 30 years ago, when I placed our first ever article with the magazine. It’s strange to think that many of the electrical sector professionals reading this now may not even have been born when I first picked up the telephone to the editor of ECN to ‘sell in’ that first story. And the electrical sector has changed just as much as the PR industry over the course of those three decades.

Wired in Perhaps one of the most notable stories about how times have changed in the industry since Clare PR first started working for electrical clients is one of the very first campaigns we ever delivered for Volex Pencon. There has been lots of

consolidation in the marketplace since then, with some of the brands that were familiar in the 1980s being absorbed into other manufacturers, but Volex was one of the biggest names in the electrical industry at the time, and our brief from the company was to help them sell more moulded plugs. It will seem crazy to any Millennials reading this, but there was a time when any new toaster, hairdryer or iron you bought from a UK shop would arrive in its box without a plug attached to the end of the wire. Many of us remember having to purchase a plug and attach it ourselves, however, which was both an inconvenience and a safety hazard, because not all consumers had the knowledge to wire a plug correctly. For Clare PR, it also seemed like a golden opportunity to make Volex the go-to brand for plugs; not by offering them as a

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standalone product for people to buy and wire to their small appliance, but by leading a political lobbying campaign to make it mandatory for appliances to be sold with a plug pre-wired. The campaign received national coverage, political debate and huge public support. Our press coverage extended to full page articles in the Daily Mirror and Mail on Sunday, to name but two. Once it was successful in making a pre-wired plug a standard requirement, it also opened up a whole new market for volume sales for our client, achieving our original objective. That approach to planning, delivering and evaluating activity formed the blueprint of Clare PR’s campaign, and has become the tried and tested formula we’ve used ever since.

Variety Consolidation has been one of the ongoing themes of the marketplace over the past three decades, with one of our other early electrical clients, Mita, becoming part of Schneider; and our work for Cablofil, Ortronics and Electrak evolving into a much bigger brief for Legrand as a result of their acquisition. Throughout all the changes, we have been able to use our knowledge and understanding of the sector to add value to the marketing activities of all kinds of electrical sector clients. For example, we now use our knowledge of the cable management sector to drive PR and social media activity for Unitrunk and Vantrunk, and knowledge of the electrical wholesale landscape gained from working with suppliers like GreenBrook has helped us develop effective PR strategies for current clients in a similar market segment, such as Niglon. One of the other key areas we have seen change over the years has been safety. In addition to a stricter approach to proper use of PPE and equipment on site, we’ve also seen regular updates to the wiring regulations, which have provided opportunities for comment-led articles and discussion topics.


A graphic showing the electrical sectors and topics covered by Clare PR, as it moves in to its fourth decade of operations

“Companies need to ensure they have interesting, searchable and shareable content on their website, engaging posts on their social media feeds and, of course, images that will attract the eye and make their content stand out from the crowd.”


electrical installations for product suppliers, contractors and consultants, including Heathrow T5, the Pirbright research centre, the design of operating theatres’ M&E systems at Salford Royal Hospital and the National Memorial Arboretum. We’ve also maximised the potential news value of our clients’ major milestones, arranging a royal visit to celebrate the launch of the new HQ for lighting client, Searchlight, for example, and a photocall with then Secretary of State for Education and Employment, David Blunkett, to celebrate investment in Powerminster Building Services’, part of the M J Gleeson group.

Creative content LIGHTING

We’ve also been able to help our clients lead the debate on other safety-related topics. For example, we’ve recently been focusing some of our activity for Unitrunk on the lack of any mandatory fire safety requirements for cable management, which has provided a platform for this client to discuss the work the company is doing in this area. Ideas like this are integral to the PR strategy, enabling us to develop coherent and targeted campaigns. From discussions about BIM and digital building services design for consultancy clients like Steven Hunt & Associates and Greenways, to articles on technical topics such as smart technology protocols for Legrand and KNX smart home specialist, Jung, and debates on the relative merits of wired and wireless systems for nursecall specialists Wandsworth and CourtneyThorne, we have kept pace with an industry that never stops evolving. And, of course, we’ve also profiled a huge diversity of

Of course, it’s not just the electrical sector and our client list that’s evolved over the years, but the services we offer too. Developing ideas for discussion topics and creating both comment-led and case study articles is still a huge part of what we do, but we’re also creating content for more channels than ever before, including blogs, LinkedIn and Twitter posts, competitions and technical articles. In addition to ensuring potential customers read about them on the pages of magazines like ECN, electrical sector companies need to ensure they have interesting, searchable and shareable content on their website, engaging posts on their social media feeds and, of course, images that will attract the eye and make their content stand out from the crowd. The media landscape has changed to create more opportunities to be seen and raise your profile than ever but with those opportunities come the additional challenges of joining up the channels and tailoring content for different audiences. For the team at Clare PR, that combination of a fast-paced electrical sector and new ways to communicate and amplify your proposition is what keeps our job fresh and exciting, even after 30 years in the business. Clare PR,

Following a political lobbying campaign by Clare PR and Volex, it became mandatory for appliances to be sold with plugs pre-wired

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LIGHT AT THE END OF THE TUNNEL Michael Morrison, Managing Director of Light Efficient Design UK, provides insight into the latest LED retrofit lighting developments and looks at the opportunities for electrical contractors.


hile the cost of LEDs and fittings is gradually falling as market demand grows, it can still be cost-prohibitive for many buildings premises and estates in the public and private sectors to make a total switch to LED fittings. Furthermore, as user appetite for LED grows, re-lamping strategies must be cost-effective and future-proof, as – over time – even the most reliable LED technology will require updating. This is despite a lifetime of 50,000 hours allowing (in some cases) eight to 12 years between re-lamping. This poses a problem when installing complete LED fittings, as there is limited possibility of making simple future upgrades. This is where the LED HID retrofit lamping approach comes in. After the initial payback period (normally between 12 to 15 months), LED retrofit lamps can easily be replaced with a more efficient version of the same lamp. For example, there are lamps that were 150W, producing 12,000 lumens over two years ago; and now, thanks to improvements in LED efficacy, that same lamp offers 19,250 lumens. With continuing advancements in high quality retrofit products, lighting contractors and installers have the flexibility to phase in the cost of conversion to LED as part of planned and budgeted maintenance schedules; while still being able to take advantage of LED technology advancements in the future.

Design and manufacturing advancements The growing availability of certified, warranted high quality product is allowing the retrofit approach to become much more viable, and for an increasingly diverse range of applications and environments; from low bays and high bays for factory, warehouse, retail mall, hotel and office spaces, to post tops, bollards and wall packs for exterior floodlighting and walkways. One or two quality manufacturers have also adopted new production techniques to further enhance the performance of their retrofit solutions. The use of a conformal coating, for example, is increasingly found in PCB production where a thin layer of polymer is applied to the surface of the PCB and LEDs to electrically insulate the circuit from environment stresses. Condensation, dust, chemicals and shock can all adversely affect long term reliability and light quality. Furthermore, the anti-corrosive properties of the polymer extend circuit life.

Thermal management innovation Correct thermal management of LEDs and drivers remains a challenge for some manufacturers and importers, but is absolutely essential for ensuring the 50,000 hour promised lifetime. LEDs and drivers running above their maximum design temperature will not last long. To address this issue, there has been a growing trend towards the use of cooling fans and thermal feedback to monitor and control the LED temperature. Light Efficient Design was the first to design-in a long-life cooling fan as an integral part of its LED retrofit lamp. These are designed to operate in enclosed fitting environments, and the 70,000 hour life of the fan far exceeds the expected LED lifetimes of 50,000 hours.

Light output optimisation Until recently, attempting to maximise lumens for actual light output has been problematical for contractors and installers. This is because most high bay, post top, low bay and floodlight reflectors

Retrofit LED checklist • Look for established manufacturers that can offer a full line of fully CE/ROHS tested LED HID retrofits with guaranteed lifetimes. There are many spurious lumen claims made by cheaper alternatives that offer only two or three-year warranties. • Consider the intended application and environmental factors – there may be potential thermal management considerations. • Ensure correct installation – always bypass the ballast. • Specify suppressors to protect against surges and spikes in cases of poor power supply quality. • Check the colour temperature and CRI of the lamp. Unacceptably high colour temperatures are often offered, as that shows higher lumen outputs.

A shot of Light Efficient Design’s LED-8090A 120W

“With continuing advancements in high quality retrofit products, lighting contractors and installers have the flexibility to phase in the cost of conversion to LED as part of planned maintenance schedules.”

are designed for a HID lamp, and not a standard LED corn lamp. However, there is now an increasing choice of retrofit LED designs from manufacturers, which are purpose-made for retrofitting into low bay, floodlights, and high bay fittings. Light Efficient Design’s range, for example, can deliver up to three times the illuminance when compared to a standard corn lamp.

Solar power Clearly, there is a growing demand from end user customers for more energy efficient products, and while LED lighting offers far superior energy and emissions performance compared to older technologies, there is always room for further innovation. Light Efficient Design, for example, is launching this year an allin-one solar-powered solution where the solar panel and battery are built directly into the LED fixture. There is no need for trenching or wiring, as the fixture does not connect to any power feed. Designed for use in such applications as outdoor car parks, transit shelters and bus stops, the fixture turns on at night automatically, and can be set to either stay at 100% light output, or dim down if there is no motion in order to extend battery life. The long-life battery lasts three nights with a one day charge, and lasts at least 2,000 charge cycles. Light Efficient Design UK,

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The CED Electrical Group are delighted to announce the launch of an exciting and diverse new range of Meridian LED Wall Light Fittings.








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s the RCD protection you fit up to standard? The latest British Standard for RCD protection has been in force for over two years. Now that there’s been plenty of time for the industry to run down stocks of older devices, it’s time to ensure that your customers are provided with the latest safety benefits. That’s where the new Timeguard Valiance+ range of RCD-protected switched sockets and spurs comes in. As usual, this trusted supplier has gone the extra mile and – as well as upgrading features to meet the new British Standard BS7288:2016 – the sockets have been given a complete redesign. They are upgraded to the latest generation of componentry throughout, and both end-user safety and long-term reliability has been improved.

The Valiance+ range of 1-gang and 2-gang RCD switched sockets, in both active and passive versions, is fully compliant with the new BS 7288:2016: Specification for residual current devices. This latest standard was published in November 2016, revising and updating BS 7288:1990. The main visible sign of compliance with the new standard is that there is now a dual-flag indication system to show whether the power is live: Red – On, or Green – Off, when the RCD is tripped. However, other changes add up to greater reassurance for users. They mostly relate to EMC resilience, with more stringent testing to ensure products can withstand years of use and electrical or physical abuse and RF interference. While it is still

Courtesy of

legal to sell and install devices certified to the older standard, who would want to compromise on safety when newer, compliant devices are on the market? The comprehensive range of RCD wiring accessories covers all you’ll need, including white plastic and rugged metal clad variants, in both 1-gang and 2-gang, and a choice of three styles of RCD switched fuse spurs. This month’s competition winner will receive a prize of six 2-gang RCD sockets. Timeguard,

To be in with a chance of winning six 2-gang RCD sockets, courtesy of Timeguard, simply answer the following true or false questions: 1. RCD sockets compliant with the latest BS will have dual flag status indication. a) True b) False

2. EMC resilience is improved in RCD sockets that are compliant with the new 7288:2016. a) True b) False

3. Timeguard’s Valiance+ RCD sockets comply with the latest British Standard. a) True b) False

April competition The winner of the GuardCam Deco security system, courtesy of ESP, is Mr L S Wheeler of Making Light Work.

Closing date All entries must be returned by June 30, 2019. The editor’s decision is final. For the full terms and conditions, please visit electricalcontractingnews. com/competition-terms. The name and winner will be published in the August issue of ECN. *Prize is not exchangeable.

To enter, please complete the form below and fax to 01634 673173, or post to: ECN Competition, All Things Media Ltd, Suite 14, 6-8 Revenge Road, Lordswood, Kent, ME5 8UD. Alternatively, you can email your answers and contact details to:

The answers to June’s competition are:

Contact Preferences YES, I would like to receive the ECN newsletter YES, I would like to subscribe to ECN magazine


YES, I would like to share my data with Timeguard

Personal Details Name....................................................................................................................................... Company Name...................................................................................................................... Address...................................................................................................................................

2. . .........................................................................


................................................................................ Postcode................................................. Tel................................................................ Mobile ................................................................

3. . .........................................................................

Date.............................................................................. E-mail.....................................................................................................................................

To register to receive your copy of ECN each month, visit Competition.indd 30

23/05/2019 10:51











Over 125,000 EV Charging Points Manufactured & Supplied To Date The UK’s Largest Range Of AC Fast, DC Rapid & DC UltraFast EV Chargers EV Charging Points For The Home, Business & Public Sector





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There are likely to be 13 million electric vehicles on roads across the globe in the not-too-distant future

EV CHARGING — ACCESS FOR EVERYONE Electric vehicle (EV) and plug-in hybrid electric vehicle (PHEV) sales are going from strength-to-strength. ECN looks at the opportunities for electrical contractors, along with details of the latest smart charging innovations from Rolec EV.


Kieron Alsop, Managing Director of Rolec EV

ith PHEV yearon-year sales up nearly 25%, and overall EV sales up more than 20%, it is clear motorists are increasingly turning to electric vehicles – a sharp contrast to huge decreases in diesel vehicle sales. The UK Government has pledged that by 2030, at least half of all new car sales, and up to 40% of new van sales, will be PHEV


or EV by 2030. This is all part of its ‘Road to Zero’ strategy. By 2040, it plans to end the sale of new petrol and diesel cars, and by 2050, it wants almost every car on the road to be zero emissions. The migration to electric vehicles is a global phenomenon, with a recent report issued by the International Energy Agency stating that the number of EVs on the world’s roads is likely to reach 13 million in the near future; with sales also expected to soar 24% every year, on average, through to 2030.

An exciting opportunity for the electrical industry This exciting news for the EV industry has also had significant beneficial opportunities for the electrical industry, with a recent survey confirming that the UK needs to increase its EV charging network six-fold by 2020 to cope with the amount of EVs due to hit the nation’s roads. A six-fold increase on existing charge point deployment has the potential to generate over £3 billion worth of electrical industry business over the next two or three years across

in partnership with

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COMMERCIAL VEHICLES & EV INFRASTRUCTURE domestic, workplace, commercial, public facing and DC rapid charging sectors. This is positive news for the electrical contracting industry, with many contractors looking to the installation of EV charging units and pedestals as the future of their business.

Smart charging points for the home Rolec EV, one of the UK’s leading EV charge point manufacturers, recently announced the launch of a new range of smart EV charging points designed specifically for the home. This new range of OLEV Government grant-approved smart-enabled home chargers will be integrated with the EV.Energy cloud-based back office, and were initially launched as part of Rolec’s popular WallPod EV charging portfolio. EV HomeSmart will enable the EV driver to control, track and manage the charge point using their mobile phone or any other web-enabled device utilising the free EV.Energy app, available from the Apple App Store and Google Play Store. Designed to current 18th Edition BS7671 regulations, specifically for domestic use, EV HomeSmart offers industry standard Mode 3 communication, AC and DC fault protection, and fast charging speeds of 3.6kW (16A) or 7.2kW (32A) via a tethered lead or socket connection. Kieron Alsop, MD of Rolec EV, comments, “The new WallPod EV HomeSmart unit is a welcome addition to our existing EV charging portfolio and follows quickly on from the recently launched Rolec EV SolarCharge range, which is already proving extremely popular with homeowners who have, or plan to have, solar panels. “WallPod EV HomeSmart has been specifically designed to put the EV driver at the heart of the charging experience and is packed with many new and exciting features.”

Nick Woolley, MD of EV.Energy, notes, “We’re delighted to have entered into an exclusive partnership with Rolec EV to provide what we believe is the best smart home charging solution available on the market. Our ambition is to support the EV driver and provide intuitive charging services that the driver can easily and confidently use to manage their EV charging.” He continues, “One of the most exciting features of EV HomeSmart is the facility to equip the EV driver with options to use the cheapest, greenest and most suitable EV charging electricity tariffs available.”

Solar EV charging unit Rolec EV has also launched a new solarpowered electric vehicle charging unit, WallPod:EV SolarCharge. WallPod:EV SolarCharge is a costefficient EV charging solution specially designed to benefit homeowners who have, or have future plans to install, a home solar panel array. Frankie Mellon, Rolec’s National EV Sales Manager, explains, “EV SolarCharge has been designed to offer the homeowner a feature-rich charging solution that not only displays the charging activity, but also highlights whether the charging is coming from the National Grid, exclusively from the home’s solar panels, or a combination of both. The standout features of EV SolarCharge include two unique charging modes and a summary data screen.

“By 2040, the UK Government plans to end the sale of new petrol and diesel cars, and by 2050, it wants almost every car on the road to be zero emissions.”

“The first of the two charging modes is the Solar + Grid Charge, which monitors the solar power being generated, highlights it on the data screen, and tops up any shortfall with power from the grid. “The second of the two charging modes is the ‘solar only’ mode, which monitors and tracks the power being generated by the home’s solar array and limits the charge provided to the EV, matching exactly the amount of power produced by the panels. In effect, the EV is now running on the sun.”


WallPod EV HomeSmart has been specifically designed to put the EV driver at the heart of the charging experience

For more information call Rolec EV on 01205 7245754, email or go to

Key features of EV HomeSmart • Charger communicates with cloud-based smart back office via GPRS •E V driver interacts with/operates the charger via a specially designed EV.Energy mobile phone app enabling: • Stop/start charging • Programmable charger to charge EV for a time that suits the user • Integrates with user’s electricity provider to charge the EV at the cheapest rate available • Boost button for immediate charging • Charging history available on user’s mobile phone, including: • Live charging status • Charging activity • Electricity used (kWh) • Energy costs (£) • CO2 saved


electric vehicle charging

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KEEPING IT COOL WITH AIR AND WATER RESISTORS The International Energy Agency aims to have 220 million electric vehicles (EVs) on the road by 2030. Fuelled by battery power, overheating in EVs must be avoided to ensure reliable and efficient operation. Steve Hughes, Managing Director of REO UK, explains the difference between air and water cooling braking resistors.


he effect of temperature on a product’s performance has always been an important design consideration, as overheating can reduce efficiency and the lifespan of components. So, whether a product is subjected to environmental heating or cooling, or if it generates


its own rise or drop in temperature, managing temperature is critical. At REO UK, many of our customers are in the marine, renewable and railway sectors, and all of these must operate in extreme environmental conditions where standard electrical items are not always fit for purpose. From our experience, many of the challenges components face in these sectors, like temperature, are also applicable to automotive manufacturers.

Make the right choice in the design process Most manufacturers understand the importance of effectively addressing and understanding heat transfer considerations early in the design process, saving time and minimising prototyping costs. Despite this, many original equipment manufacturers (OEMs) are unsure how to choose between the two main ways

in partnership with

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Water-cooled resistors can be easily integrated into the existing cooling systems of EV vehicles, and can deliver cooling in areas where fans often fall short

of regulating device temperature: aircooling and water-cooling. Braking resistors are used to dissipate heat and slow down a mechanical system to avoid overheating. They have relatively low ohmic values, a high-power rating and are typically encased in a frame to create a safe distance between surrounding components. To increase its dissipation capability, the resistor’s frames feature cooling fans or liquid coolants.

“REO’s braking resistor works by converting excess electricity that is not needed for recharging the EV’s battery into heat that can be dissipated safely.”


Air-cooling limitations Traditionally, air-cooling has been most commonly used as it is relatively inexpensive and requires little maintenance, other than the replacement of filters. This is because the fan technology is robust and able to undertake some degree of damage without impacting performance significantly. For example, if a single fin broke on the fan, it would remain functional and safe to use. Air-cooling, however, does come with its limitations. Firstly, the integration of a fan means that the enclosures of the device generally must be bulkier to accommodate it. This means that air-cooling cannot be used in applications where space is limited. Air fans also create an additional source of noise, unlike water-cooling alternatives such as REO’s braking resistor, D 330. Suitable for integration in EVs, the resistor works by converting excess electricity that is not needed for recharging the EV’s battery into heat that can be dissipated safely, or as energy that can be regenerated into the vehicle’s power supply. This is an effective use of energy that would otherwise simply be lost. It also reduces the need for resistance heating using the battery’s energy, which can reduce the vehicle’s driving range.

Water-cooling advantages The benefit of using a water-cooling resistor in an application like this, is that they can be easily integrated into the existing cooling systems of the vehicle and are able to deliver cooling in areas where fans often fall short. Water-based systems operate on a very simple principle of heat exchange, whereby pipes containing a liquid coolant circulate around an enclosure and out of the device to keep components cool. The excess

heat generated during use is thermally conducted by the water in the pipes, which can then be transferred out of the device and regenerated for other processes. With EVs, automotive manufacturers aim to make driving as energy efficient as possible. Not only are fans in aircooling systems limited by their reliance on ambient temperatures to cool down overheating components, but – depending on the size of the application – OEMs may need to integrate multiple fans, as opposed to just one. In comparison, water has a high heat conductivity and only requires a single pump to cool infrastructure, significantly lowering the overall energy consumption and cost of the cooling system.

REO’s water-cooled braking resistors can offer a number of advantages over traditional aircooled systems

Further considerations Another advantage is that coolant can be stored in the pipes below the application’s ambient level for even faster cooling. Water cooling is the only method that permits cooling below the ambient air temperature, and is ideally suited to industrial applications. In addition to maximising efficiency, resistors like our REOHM series D 330 make an additional space saving of up to 88%. The use of a water-cooling system allows optimal temperature characteristics to be achieved, while the performance of the component is improved. The adoption of electric vehicles is only set to increase in the coming years, and automotive manufacturers must be able to select the right components (like resistors) and technologies for their design. By considering the factors that affect equipment performance, engineers and OEMs can ensure they make the right choice between air-cooling and watercooling every time. REO UK,


electric vehicle charging

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Introducing MAGDUO Two-Wire Fire Systems, allows Detectors and Sounders on the same circuit email:

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Only cleaning our vehicles on a yearly basis could have some pretty concerning consequences,’s findings show


THE $*!T HITS THE VAN recently investigated the different types of germs living in six trade vans. The results showed that vans can harbour a wide variety of germs – posing serious health risks – and that an electrician’s van may be dirtier than a toilet door handle.


tradesperson’s van often acts as their second home, with many drivers either spending much of their time on the road or taking breaks behind the wheel. However, while many people wouldn’t dream of leaving their home uncleaned, a new investigation has


revealed just how dirty a tradesperson’s van can get. partnered with the School of Biological Sciences at the University of Essex to investigate the different types of germs living in six trade vans belonging to: electricians, builders, carpenters, dog groomers, bricklayers and plumbers. The results showed that vans can harbour a wide variety of germs, some of which can be a serious threat to the health

of their drivers, in extreme cases. In particular, the van belonging to the bricklayer was found to contain the most pathogens – a type of microorganism that can cause disease. Here, pathogen levels were more than double those usually found on toilet door handles. The most prominent germs found in this van are known to cause skin infections and acne, with traces of bacteria relating to respiratory infections.

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All in the stats

In a survey by, nearly 8% of van drivers admit they’ll only clean inside their van when it starts to smell

Vans ranked in order of dirtiness, including the tested toilet door handle: 1. Bricklayer 2. Builder 3. Electrician 4. Dog groomer 5. Carpenter 6. Plumber 7. Toilet door handle The investigation found that most ‘touch’ points in all the vans tested were riddled with pathogens. And the handbrake was the most germ-ridden area of all – something van drivers must use at least a couple of times in one journey, which may put them at risk of catching some infections or illnesses. The most common bacteria found on the handbrake was Staphylococcus aureus. This is often found in the upper respiratory tract or on the skin and may cause a staph infection. While most staph infections can be treated with antibiotics, the bacteria can occasionally cause more serious infections, like toxic shock syndrome or impetigo (a contagious skin infection that can cause sores and blisters). Worryingly, some strains of this type of pathogen can also exhibit antimicrobial resistance, specifically MRSA – a strain of bacteria that’s resistant to several types of antibiotics. Staphylococcus aureus was just one of many germs lurking in the tested vans. In fact, pathogens which could lead to pneumonia and endocarditis were also present on some touch points – both of which could lead to serious illness, in extreme cases. Knowing when a surface is covered in germs is impossible to see by eye, but common sense says cleaning a van or car regularly can eliminate the chances of bacteria thriving. However, it appears there is some confusion around how often van drivers should be cleaning their vehicles.

According to a survey of 500 van drivers, conducted by, nearly one in 10 (8%) admit they’ll only clean the inside of their van when it starts to smell. And only one in three (29%) will empty rubbish from their van daily. One in seven (14%) admit to never cleaning their van at all. Quite disturbingly, more than half (55%) admitted to eating food in their van, then leaving the half-eaten food in place for as long as three days, giving germs the perfect opportunity to grow. More than one in seven (15%) claim to leave used tissues in their van frequently. And only one in seven (14%) will wipe the surface immediately if they sneeze. It’s no wonder that some nasty germs are lurking in vans, but with better education on how to keep a van clean, van drivers will be at far less risk of contracting a bacteria-based illness. With this in mind, has compiled a range of top tips on deep cleaning a van to make it clearer for van drivers wanting to keep germs at bay – especially if cleaning isn’t their strong-point. Amanda Stretton, Motoring Editor at, says, “We spend so much time in our vehicles, it’s only expected that some germs would be lurking around. But leaving cleaning our vehicles to a yearly occurrence could have some pretty concerning consequences. “Vans are like second homes to tradespeople, so spring cleaning can be daunting. And people can be confused about where to start – especially when the

“We spend so much time in our vehicles, it’s only expected that some germs would be lurking around.”

rubbish starts to pile up. To point time-poor tradespeople and other drivers in the right direction, we’ve compiled our top tips to deep cleaning a van and keeping the deadly diseases at bay.”

Top tips for cleanliness Start with the wheels. Depending on how muddy your van is, it may need an initial hose down. Clean the wheels before the rest of the body, as you don’t want to get muck from them onto already cleaned paintwork. Hose them down, and hose the wheel arches and underside while you’re at it. De-grit the surface. Cars and vans pick up ‘traffic film’, a layer of dirt and oil that’s difficult to remove. However, traffic film remover (TFR) should loosen this up without damaging the paintwork or mechanical parts of the van. It’ll also get rid of most of the grit, which’ll help prevent scratching the van when you shampoo it later. Wash, rinse, dry, wax. Now for the shampoo. Fill two buckets with warm water – one for cleaning, the other for rinsing. Shampoo the van top down. It’s better to use a wash mitt than sponges or chamois, as it’s easier to scratch the paintwork with the latter. Avoid getting the mitt gritty by using the rinse bucket before going back to the wash bucket for suds. Likewise, be sure to rinse it thoroughly if you drop it on the floor. When you’re done with the suds, give it another rinse with a cold hose. Dry the van thoroughly with a towel, as leaving it to air dry can leave uneven patches. Now it’s time to wax, panel by panel. Apply in small areas with one microfibre cloth, and remove with another. Start with the mats. Empty the van of everything – including the floor mats, and anything in the glove box, footwells, or door pockets. Wash the floor mats first, as they’ll need time to dry. Give them a good shake, and then scrub them with interior cleaner and hose them down if they’re rubber mats. If you have carpet mats, spray with stain remover like Vanish, then put them in the washing machine and give them a short cycle at 40°C. In either case, hang them up to dry when done. Get into the nitty gritty. Give the van a preliminary brush and vacuum to get rid of the majority of dust and dirt, and sweep the floor in the back. Dust the cab before using interior cleaner, and then use interior cleaner for the vinyl, dashboard and other compartments in the cab. Use a toothbrush to really get into the detail of textured vinyl. When it’s all done, squirt with air freshener. Then admire your handiwork and that fresh van smell.


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electrical items as well as lamps










WE COVER THE UK BATTERIES & ELECTRICALS As a non profit organisation, Recolight can offer a low cost recycling service. Giving you a complete WEEE service.

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Recolight operate the UK’s largest collection network for fluorescent and LED lamps.

WEEE GUIDE YOU FREE LAMP RECYCLING A team of WEEE experts to help with your paperwork. All FREE collection and recycling and consignemnt notes are FREE. FREE container for sites collecting over 1000 lamps each quarter. Options available for smaller quantities.

16/05/2019 10:56



DASH CAMS FOR TOTAL VISIBILITY Vehicle cameras – also known as dash cams – can save your business money and help keep your employees safe. This guide from leading dashboard camera provider, RoadHawk, advises you on how to choose the right dash cam for your business.


ashboard cameras are a cost-effective way of protecting your branded vehicles from ‘crash for cash’ fraudsters. They also provide law courtgrade evidence in the case of disputed claims and can reduce road risk for your employees. It is common for companies with fleets of cars and vans to see their at-


fault accident rates fall by as much as 20% after installing dash cams. In fact, vehicle cameras are so successful at improving fleet safety, that many insurers are now offering discounts of up to 10% on premiums for companies which install dash cams. However, with a wide range of hardware and pricing on offer, even small businesses and owner-drivers can now benefit from cost-effective vehicle cameras.

What to look for The internet is awash with vehicle cameras from as little as £20 – but they are typically not built to last, and more importantly, might not include some vital features. Here are some of the things to look for when purchasing dash cams: • Installation options – Most dash cams are ‘plug and play’ devices that can be installed in less than five minutes. However, a good supplier will also

in partnership with

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offer you a hard-wired solution and professional installation at your premises. • Scalable HD footage – High-quality images in 720p or 1080p ensure that key data is captured, such as vehicle registration plates. • G-Force sensor – When the G-Force sensor detects an impact, such as a collision or a harsh braking event, it will trigger the camera to record an ‘event file’ on its SD card. It safely stores this file so that the camera’s loop recording functionality doesn’t overwrite it. G-Force and vehicle speed data can help to provide a clearer picture of what caused a crash. • Time-stamped footage – This is really important, because footage must be time and date-stamped for it to be submitted as evidence to the police or your insurer. • Tamper-proof box – If you are concerned about drivers tampering with the camera or its memory card, look for a supplier who can provide locking boxes around the cameras as an optional extra. • Telematics trigger – If you would prefer not to depend on drivers telling you when events have occurred, ensure that your camera can be linked to a vehicle tracking device. This will trigger an automatic email alert whenever an event takes place. A decent dash cam supplier will either also offer vehicle tracking, or have a trusted partner who can supply it. • Required recording times – An 8GB SD card may be sufficient for an average car driver, but a busy electrician’s van is

The Trakm8 RH600 camera runs on 4G, providing better data speeds and connectivity

going to be creating much larger volumes of recordings. Ensure the camera can accommodate a decent memory card. • GDPR compliance – Ensure your camera comes with a vehicle sticker to inform other motorists that you might be recording them. • After-sales support – Can you call on UK-based product support, and if so, what level of warranty do you get?

Get yourself connected If you want to take potential savings and road safety improvements a step further, then it is well worth thinking about telematics cameras. These cost-effective devices combine all the benefits of dash cams and vehicle tracking in one single unit. Most telematics cameras are on the 3G network, but you can now also buy devices which run on 4G, such as the Trakm8 RH600, providing better data speeds and connectivity. As with standard dash cams, there can be huge variances in the amount of features you get for your money. For example, some will offer basic vehicle tracking functionality and only a forward-facing camera. Others will include additional money-saving and safety features, such as driver-facing cameras, live streaming of footage from any camera, vehicle health alerts, and driver scoring. The latest wave of telematics cameras also offer advanced driver assistance systems (ADAS) designed to further improve road safety. These could be

collision warnings, tailgating alerts, and even drowsy or distracted driver alarms. However, make sure you choose a user-friendly telematics system that is straightforward and gives you all the high-level information you need at your fingertips. A good telematics provider will give you simple dashboards that enable you to keep your finger on the pulse, while also saving you money and reducing road risk. RoadHawk is a leading provider of dash cams and multi-camera solutions. It is part of the Trakm8 Group, the UK’s largest manufacturer of telematics devices. Trakm8 also produces the RH600 telematics camera. RoadHawk,


RoadHawk’s discreet dash cams provide clear-cut evidence for use in insurance claims and settling disputes over who was at fault when there’s a crash

The multi-purpose RoadHawk DC-2 has an extensive range of features, giving drivers the power to recall any unexpected events on Britain’s busy roads


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ELIMINATING THE RISKS IN EV CHARGING Chaz Andrews, Technical Manager at Doepke UK, analyses the different types of EV charging modes, and talks us through the health and safety and risk assessment considerations that have to be factored in.


ompanies providing facilities at any premises for employees and/or visitors to plug in their own electrical appliances are required by law to manage any direct or indirect hazards related to the use of that equipment. A suitable and sufficient assessment of the risks also applies to the charging of EVs on site. Reporting of Injuries, Diseases and Dangerous Occurrences Regulations (RIDDOR) reports the number of fatalities at work due to contact with an electrical supply (workers and member of the public), as circa 32 deaths between 2014 and 2018. The number of electrical accidents is harder to pin down, but HSE information suggests it could be in the region of 1,000 or more per year. The HSE highlights the increased risks associated with using damaged electrical equipment outside (electrocution hazard), particularly in relation to portable and flexible leads, plugs and sockets.

Mode 2 charging These cables were originally designed to provide a safer method for opportunistic charging, when connecting directly to a standard domestic socket. Extension leads rolled out on pavements and drives overnight and the safety aspects of connecting to 13A ring main, without the appropriate RCD protection, still pose a high risk to the user and other persons who may come into contact with faulty or damaged electrical equipment. The fire hazards associated with overheating of sockets and extension cables are well documented.


Mode 2 charging cables are portable devices, for use outside. Providing facilities for this method of charging at a place of work, business or public building, raises complex safety issues. Duty holders are responsible for managing the risks associated with portable appliance use on site, either by an employee or a visitor. It should be noted that the OLEV’s minimum technical specifications covering EVHS and WCS do not recognise Mode 1 or 2 as compliant methods of charging.

With a dedicated charging infrastructure, Mode 3 charging should be the safest method, Chaz Andrews says

RCDs associated with Mode 2 charging From January 2018, IC-CPDs manufactured to IEC 62752:2016 used in Mode 2 charging cables had to include the facility to detect DC residual currents and disconnect if greater than 6mA DC (i.e. mitigate the risk of DC fault currents associated with EV battery charging and upstream Type A RCDs). That is, RCD blinding and loss of 30mA protection for the circuit, that may be feeding other appliances. The IC-CPD 30mA detection function does not provide electrical isolation. This is only achieved by unplugging the charging cable. For example, to meet Regulation 722.531, there must be a separate RCD within the circuit. Using a dedicated 13A socket /circuit limits risks to that area of the installation.

The DFS4 AEV RCD includes 6mA DC detection and 30mA Type A protection

This issue is addressed in the context of the 18th Edition; “protective measures against DC fault current shall be taken, except where provided by the EV charging equipment” i.e. if the IC-CPD does not provide the required measures, the Regulations specify Type B RCDs or Type A + disconnection of the supply in case of DC fault currents if >6mA. The Doepke Type A EV RCD provides this combined functionality.

Mode 3 charging In theory, this method of charging should be the safest; using a dedicated charging infrastructure, robust plugs and simple cable connection between the EV and the charge point. The revised standards, regulations and codes of practice give clear guidance on design requirements to achieve safe and reliable performance over a number of years. The facility for tethered cables simplifies the health and safety management process, as opposed to portable cables, which could be damaged prior to use on site. Damaged cable insulation poses a risk to the user and other members of the public, and particularly to children,

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COMMERCIAL VEHICLES & EV INFRASTRUCTURE The RCD six-monthly test interval is based on fixed equipment in a controlled, clean environment inside a building. Charge point mounted RCDs are subjected to a different set of environmental conditions.

High risk environments

Figure 1

who are attracted to the bright colours and interesting qualities.

RCDs associated with Mode 3 charging

An EV charging point in the snow

IEC 61851-1:2017 included the requirement for specific protective measures to be taken against DC fault currents, without exception (i.e. 6mA DC detection and disconnection of the supply to be included in the charge point when associated with a 30mA Type A RCD; or by external means, such as Type B RCD or Type A plus 6mA DC detection and disconnection technology). This revised safety requirement is reflected in 722.531.2.101 (18th Edition of the Wiring Regulations) and the revised Code of Practice for EV charging installations 3rd Edition. Meeting the above is relatively straightforward, for an installation supplying one Mode 3 charge point (see figure 1). The considerations relate directly to the EV that will be connected to the charge point and the EV manufacturer’s requirements for charging. For example, to meet the 18th Edition requirements, Tesla specifies the use of DFS4 AEV with its Mode 3 charge points and its vehicles. The DFS4 AEV RCD includes 6mA DC detection and 30mA Type A protection. The 6mA DC fault current detection feature built into EV charge points is not

classed as a protection function. A separate 30mA RCD is required to disconnect and isolate the circuit under fault conditions; see RCD requirements detailed at the end of 722.531.2.101. Single charge points incorporating an RCD may require an additional Type A RCD at the origin of the charge point supply e.g. Regulation 411.3.2 and 522.6.202. Note that charge points must not be connected into circuits containing Type AC RCDs upstream. Installation designs supplying two or more Mode 3 charge points (see figure 2), must take account of the combined effects of leakage currents when charging multiple vehicles. Refer to the Code of Practice for EV charging equipment installations 3rd Edition clause 8.5.3: Type B RCDs must be used where the DC component of the residual current could exceed 6mA.

Documented inspection and testing Keeping records on site helps to demonstrate the effective management of health and safety policy, and provides duty holders with a recognised method of monitoring and reviewing safety compliance. In the absence of any specific guidance for EV charging installations, refer to the IET CoP 4th Edition for In-service Inspection and Testing of Electrical Equipment.

Figure 2

“The facility for tethered cables simplifies the health and safety management process, as opposed to portable cables, which could be damaged prior to use on site.”

Duty holders are required to control and reduce risks to prevent danger as far as is reasonably practicable (SFAIRP) and as low as is reasonably practicable (ALARP). Inspection, necessary testing and the period between these activities should reflect the actual conditions of a specific installation based on the risk assessment for that site. The environmental conditions, location (site access), amount of use and possible vandalism, may lead to an increased risk associated with the EV charge point and any associated charging cables. For example, if the site is accessible 24 hours a day, it may be considered reasonable (on the basis that the cost to implement is low) to carry out a visual inspection of EV charging infrastructure on a daily basis, or as deemed necessary by the duty holder. More detailed checks and tests should be completed on a regular basis. Refer to the EV charge point instructions, the EV manufacturer, and the advice given in regulations for higher risk environments. Levels of pollution and significant fluctuations in temperature and humidity associated with road side and car park installations may impact on RCD protection availability – see PD IEC/TR 62350:2006. The HSE’s Electricity at Work Regulations guidance (HSR25 3rd Edition) Regulation 4(2) states: “Practical experience of use may indicate an adjustment to the frequency at which maintenance needs to be carried out.” In other words, the intervals between inspection, testing and maintenance must be based on the actual service conditions and experience related to that installation. To verify RCD protection availability, checks and tests would initially have to be performed more frequently, to determine the optimum time between tests. If the RCD test button is operated and the RCD fails to trip, the installation must be checked by an appropriately electrically skilled person, before the charge point is returned to service. Doepke can provide HD version RCCBs for installations subjected to tough ambient conditions. RCDs selected strictly in accordance with the regulations, installed and maintained correctly, perform a key safety function in all EV charging infrastructure. RCDs that are tested regularly (using the test button), will give a longer and more reliable service life than devices that are tested infrequently. Doepke UK,


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Wiring Accessories • Circuit Protection • Smart Lighting Control & Audio Solutions

All from one – one for all! Compatibility and quality across the range Switch plates and sockets, circuit protection, smart lighting control and multi-room audio – Hamilton offer a one-stopshop for all domestic wiring requirements. Designed to work seamlessly to avoid problematic and costly incompatibility issues, whilst providing a consistent brand look and feel throughout a property.

Pick up our 2019 catalogue at your local wholesaler. 2018


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PMUSW Ceiling E-Matic is committed to developing common sense, energy saving solutions thatMount, offer functionality, ease of use and style. Here, we look at its dual technology occupancy detectors. Ultrasonic Dual Technology Occupancy


wo new detectors developed by E-Matic – the PMUSC and PMUSW – feature new, innovative dual sensor technology that uses both PIR and Ultrasonic to detect movement. The result is a reduction in false triggers and lighting that is ultimately more energy efficient.



Key features of the PMUSC and PMUSW include:

230V ~± 10% 50 / 60Hz max. 2,000W latest E-Matic dual technology max.The 1,000W

occupancy detectors have full control of both1,000VA technologies, allowing both or just max. / 600W one of the technologies to be selected depending the application. Both max. 900VA on / 100μF detectors are compatible with any type of 25 x (1 x 18W) : 12 x (2 x 18W) lighting load, including LED.

15 x (1 x 36W) : 7 x (2 x 36W) 10 x (1 x 58W) : 5 x (2 x 58W) max. 1,000VA / 600W (uncompensated)




This ceiling mounted detector comes with an option for surface or recessed max. 500VA / 400W fitting. It boasts 360 degree coverage, with up to an 8 metre distance across both max. 600VA / 400W technologies. The switching capacity is up to a 2000W incandescent load, with LED PMUSW: 180˚ PMUSC: 360˚ capacity being 400W.

whilst DETECTION ANGLE maintaining PIR adjustable approx. 8m in frontward, approx. high PMUSW in sideward. (PMUSW) US adjustable DETECTION RANGE 6m sensitivity.”

• Ultrasonic technology uses sound waves to detect even AUTO OFF TIME ADJUSTMENT slight movement. •P IR senses changes in temperature emitted by human movement. LUX ADJUSTMENT •U ltrasonic doesn’t require an unobstructed line of sight. It can see around corners. ACC ON/OFF •U ltrasonic is more sensitive to movement towards the detector. •B oth technologies used (DualTech), TRIGGERING METHODS ensuring minimal false triggering. ULTRASONIC SENSOR FREQUENCY •T he detection range is PIR adjustable approximately 8 metres OPERATING TEMPERATURE in frontward, and approximately 12 metres in sideward. •T he environmental protectionENVIRONMENTAL is PROTECTION Class II, IP20.


This is 8m an indoor approx. x 8m wall mounted detector

Top view


No Motion Soundwave out No Motion

with a fully adjustable bracket. PIR

Soundwave out

offers 180from degree detection 8 metres, Adjustable approx. 5sec toat30min, Test whilst Ultrasonic covers an 8x8m area & ts

Soundwave in Soundwave in

volumetrically. The switching capacity is also up tofrom a 2000W incandescent load, with Adjustable approx. 10Lux to 1,000Lux LED capacity again 400W.

Select “ON” for activating or select “OFF” for E-Matic, deactivating air current compensation function PIR + US, PIR only, US only, PIR or US w 32KHz

Side view





US 8m


PIR 12m

Both of these new units employ dual technologies, PIR and Ultrasonic, to reduce false movement triggers whilst maintaining Up to high sensitivity. The ultrasonic component of the detector utilises highly sensitive microphone and speaker elements to produce and monitor ultrasonic sound waves, which fill the full volume of a room, around all static RATED VOLTAGE objects. Any solid object movement within the contained area alters the sound wave received back at the detector, resulting in a INCANDESCENT LAMP positive trigger. This technology is extremely sensitive to any movement, however minor, AC HALOGEN LAMP including excessive vibration. “Both The PIR component of the detector LV ofHALOGEN these LAMP relies on heat movement, rather than solid new units objects, to affect a trigger. All humans and animals emit an infrared heat signature employ dual which can be measured by the infrared technologies, FLUORESCENT LAMP sensor. Lenses allow a field of view to be split into zones and changes to the ambient PIR and temperature moving across those zones Ultrasonic, to result in a positive trigger. When used in a reduceLED false stable ambient temperature, and – providing LAMP the sensor has an unobstructed view of the movement area covered – PIR technology is very stable.

KEY FEATURES • ULTRASONIC technology uses sound waves to detect even slight movement • PIR senses changes in temperature emitted by human movement • Ultrasonic doesn’t require an unobstructed line of site. It can see around corners • Ultrasonic is more sensitive to movement towards the detector • Both technologies used (DualTech) ensures minimal false triggering

Motion Motion Soundwave out Soundwave out

Soundwave in Soundwave in

0˚C - +45˚C Class II, IP20

WWW.E-MATIC.CO.UK 46 | June 2019

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Safe Isolation saves lives Stay safe, prove dead and lock off with Martindale VIPDLOK kits

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• New VI-15000 Voltage Indicator, CATIV 1000V for all installations categories

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Now available NEW VIPDLOKPRO Get the right locking off device every time with Martindale PRO Kits

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BRING ANY SPACE TO LIFE WITH EMELUX DECORATIVE LIGHTING EMELUX is a range of high quality, competitively priced LED luminaires

Stylish architectural wall and ceiling mounted luminaires, IP rated outdoor and amenity luminaires, and LED battens

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HALO circular pendant and surface mounted LED luminaires are ideal for commercial and retail environments. High light output, low-energy and long-life. available in black and silver finishes.


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An ‘open ring’ mounting plate allows the HALO SURFACE to expose the surface underneath. A covering plate allows mounting where surfaces are not suitable for exposure (eg cable holes).

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EMELUX products are CE marked

24/05/2019 14:31



Lighting controls allow for lighting in rooms to be automatically adjusted to make the best use of daylight, whatever the season

THE SEASON FOR SAVINGS IS HERE With longer days and warmer temperatures comes the need for better energy management, and clever energy controls are the key, says Mike Brooks, Marketing Manager at CP Electronics.


horts, barbecues, temperatures venturing into the double digits, and clocks on British Summertime. If the last two words in that sentence didn’t give it away, it’s that time of the year again – summer. Yet, even with longer, sunnier days, is natural light really being taken advantage of? In residential, perhaps it is, as the responsibility is on the homeowner or tenant to switch lights off. However, in the commercial and public sector, it is likely that lights are left on even when not required, regardless of how bright it is. On the flip side, with warmer temperatures, air conditioning (AC) usage is likely to be on the up. Yet, once switched on, it is probable that users then don’t switch the AC off, whether they are there to benefit from it or not. Frequently, air conditioning is left running continually, 24/7, whether through necessity to cool IT equipment, or through absent-mindedness. One major factor is the lack of ownership – both literally and figuratively – of the people using the AC and lighting

systems. Generally, occupiers aren’t the bill payers, so there is little incentive to be mindful about switching off the power when, for example, leaving a room. Or they’ll intentionally leave the AC on overnight in the office to ensure a pleasant temperature the next day. However, energy management need not be left at the mercy of building users. Clever, intuitive energy controls are widely available now to curb unnecessary energy spend.

Sunny day savings Maybe we are accustomed to working with artificial lighting and at a certain lux level. With particularly sunny days, this can inhibit the way we work, as rooms can be ‘over lit’, causing glare, eye strain and discomfort. Reducing energy usage and tackling poor lighting problems is now easier and more affordable than ever. For instance, lighting controls allow for the lighting in schools to be automatically adjusted to make the

With this sensor, comfort is created by keeping the lighting level the same throughout the room

best use of daylight, whatever the season. This can create potential energy savings, ranging from around 30-50%. An example of these energy saving controls is the EBDSPIR-DD from CP Electronics, a direct dimming detector with lux level sensing. This detector has a DALI/DSI dimming technology that can graduate the lighting in a classroom, so lights are dimmer near the windows and brighter in darker areas of the classroom. Comfort is created by keeping the lighting level the same throughout the room. The same applies to offices and public buildings, although the lighting control requirements for each application will differ based on needs. With a variety of short to long range detectors, now there are solutions that fit any space. Sensor controls have also become more end-user friendly, allowing users to adjust lighting through remote infrared controllers, wireless controls, or even building-wide control systems. This means whether it’s saving energy, setting lighting scenes, or promoting wellbeing and comfort, it’s all available at a touch of a button.

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PE Page Grid METREL UK_Layout 1 26/07/2018 10:09 Page 1


Making AC control a breeze Similar to lighting controls, AC can also be controlled automatically, thanks to the innovative GESM-AC from CP Electronics. This device is a battery-powered, passive infrared (PIR) sensor that provides auto on/auto off switching of infrared controlled AC units. The result is a system that regulates usage based on room occupancy – ensuring that air conditioning is only powered when a room is occupied, rather than running continuously, to save energy costs. The detector must be positioned where it can ‘see the room’ and the AC unit, so

that the infrared can communicate and the PIR can also detect movement. As long as this is done, the GESM-AC will limit air conditioning usage to times when it’s necessary – and switch it off when it’s not. That’s a real win, but the even bigger benefit to building owners and specifiers is its versatility. On the one hand, the GESM-AC can be hardwired via USB, which makes it ideal for new buildings and future projects, as developers can specify the unit to build energy efficiency into the framework and infrastructure of their buildings. On the other hand, the unit can be surface mounted and battery-powered, with no wiring needed, and is also suitable for manual operation. So, for retrofit and refurb projects – as well as for small fit-out operations – developers and owners can enhance the energy efficiency of their own legacy air conditioning systems quickly and easily.

Being smart in summer The cliché of British summers is that they last for merely a week. However, recent years have shown that the UK does get its fair share of sunshine and nice weather, with 2018 being the joint hottest summer for UK. With the simple addition of smart controls, those in charge of building management need not panic about how a hot summer can impact on energy spends and wellbeing.

The GESM-AC regulates usage based on room occupancy, ensuring that air conditioning is only powered when a room is occupied

CP Electronics,

Metrel A1532 EVSE Test Adaptor

Available from your local wholesaler. Further details available at: 01924 245000

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£19.95 ex. VAT

• • • •

Tridonic driver Hinged geartray Available in emergency and microwave options Bezels available in plain, eyelid and grill, and in white, black and chrome.

Everyday low trade prices • Call us on 0845 634 1515 • Find your local branch and shop online at Untitled-2 1

20/05/2019 10:17



Despite the smart home’s rise in prominence, 16% of UK households have no intention of curbing their energy use

WE’RE ALL GOING GREEN IN 2019 Nico Van Der Merwe, VP Home and Distribution at Schneider Electric, looks at how smart home evolution is progressing in the UK, and explains how electrical contractors can assist with home improvements.


ith the continued evolution of the smart home, there’s been a lot of buzz about how we can become more energy efficient. Yet, even so – recent research conducted by Schneider Electric has revealed that a staggering 10 million Brits, equating to roughly 16% of UK households, have no intention of curbing their energy use. However, this will change. The rise in popularity of television programmes like Our Planet is ensuring that the impact of our energy consumption and our living habits is at the forefront of our minds – so it’s time to make a change. A great place to start is during home renovations. Go back a few years, and home renovations focused on the aesthetics. Yet, now, it’s all about the systems that make houses liveable – power, lighting and heating – and the costs and impact on the environment associated with them.

We are seeing a concerted, consumerdriven movement to turn the UK’s houses into smart homes, and consumers are expected to spend more on smart home products over the next 12 months. In fact, it is estimated that smart home spending will hit £65bn by 2020, according to a report by Juniper Research. While this goal may appear to be ambitious, it does not have to be onerous. End-users looking to renovate their homes can benefit enormously from access to a network of expert installers, electricians and the latest smart technologies. Electricians able to offer this combination possess the killer advantage that turns renovation from a chore into an exciting opportunity to augment dwellings and lives for the better.

A smart, energy efficient home During the home renovation process, electricians play a key role in showcasing the benefits that smart technologies can have on curbing energy usage, whilst also meeting our aesthetic requirements.

A central challenge with many renovations is the upgrading of electrical systems. End-users are looking for products that are ideally suited for both new construction and refurbishment projects. This means sourcing a stylish product that is easy to remove and reattach during the decoration process. When it comes to creating a more connected, sophisticated home, light switches, temperature controls and power distribution are at the very centre of this process. Ensuring their optimal efficiency and the comfort – along with safety of the occupants – should be an electrician’s top priority in any renovation project. When it comes to home improvement, end-users are hungry for products that provide more information and control over their comfort and energy usage. Indeed, network company, Cisco, predicts that by 2020, the number of connected devices will exceed 50 billion as homes fill up with smart sensors, meters and other connected equipment. The IoT facilitates the easy exchange of data and enables users to make the best, most informed decisions for their homes.

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ENERGY MANAGEMENT Wiser Heat, Schneider Electric’s smart heating system, is one solution. Wiser goes beyond smart homes and enables something called a ‘smart zone’, allowing homeowners to customise every room of their house to a desired temperature. By linking a home’s room and radiator thermostat through the IoT, a phone app can provide users convenient and complete control over their home heating. By combining IoT-connected thermostats and radiators, homeowners are able to monitor the temperatures of individual rooms and change them remotely with a swipe of their phone, wherever they are. This allows them to regulate temperatures when they need to, and it empowers them to be more energy efficient when they want to. Smart heating devices have become an increasingly popular addition to the smart home.

Planning for the future Occupant safety and installation speed also cannot be ignored. End-users prefer installations that are fast, competitively priced and cause as little disruption as possible. Electricians are therefore under considerable pressure to ensure they can install the desired technology in a costeffective manner, whilst ensuring they are encouraging homeowners to think about energy usage. Neither customers nor electricians should have to compromise, however. The electrical market has seen an abundance of new products that are quick and easy to


“During the home renovation process, electricians play a key role in showcasing the benefits that smart technologies can have on curbing energy usage.” install, whilst also beneficial in allowing greater control over energy usage. These devices ensure electricians can work quickly and safely, and that renovation projects stay on track. As we become more passionate about reducing our energy consumption – while simultaneously, demand continues to increase for stylish and smart homes –

electricians have a major role to play in facilitating this. The refurbishment and renovation of a building must now consider aesthetics, as well as its daily running and energy usage. The most modern solutions will be key in facilitating smarter, more energy efficient homes.

Wiser Heat, Schneider Electric’s smart heating system, enables homeowners to customise every room of their house to a desired temperature

Schneider Electric,









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TEACHERS TAKE CONTROL AT TECH SCHOOL Abtec Building Technologies has recently upgraded the environmental controls in various buildings at a secondary school near Peterborough. As well as reducing energy consumption and CO2 emissions, the new controls have provided the school with greater ease of use and operational efficiencies.


erving pupils aged from 11 to 18, Arthur Mellows Village College is a secondary school in Glinton, around five miles north of Peterborough. Although Olympic medal-winning gymnast Louis Smith and footballer Luke Steele (goalkeeper at Nottingham Forest) are among notable alumni, the school is an academy with a specialism in technology. As such, facilities like its science department require regular investment.

The original project

The Arthur Mellow Village College is benefitting from innovative temperature and lighting controls

The college relocated its science department to a new build in 2009, leaving its previous building to become disused and unfit for purpose. However, the school recently wanted to breathe new life into the old science department building and, with a combination of funds from DfE grants, The Wolfson Foundation and its own financial resources, the college set about creating a vision that would be called the McLaren Building. The upgraded facility would house art, science and media studies classrooms. A major aspect of the refurbishment would focus on the upgrading of environmental controls, with Abtec

appointed by the project consultant to undertake this work. “In the old science block, we were tasked with providing integrated lighting controls, mechanical vents and a BMS plant room based on Tridium technology – totally replacing the old systems,” explains Phil Peer, Project Manager at Abtec. Upon completion of the work, it was clear to see that the McLaren Building, which opened in 2016, had been refurbished to a very high standard. Indeed, the facility exceeds current thermal insulation levels. Housed within the revamped building are five dedicated art classrooms, a kiln room, screen-printing room, two science laboratories, a science preparation room, two media rooms, a media studio, a computer room and two further classrooms. The total cost of refurbishment works and fit-out was approximately £1.5 million.

Further works Due to the success of the McLaren Building, Abtec has since completed several additional projects at Arthur Mellows Village College, including the introduction of a BMS in the humanities block, lighting controls in the newly constructed site office block, and lighting controls and BMS in the sports hall.

“All of the newly introduced lighting is based on LED technology, which – in combination with the Abtec control systems – means a better learning environment for pupils.”

“We also performed BMS works in the main plant room, which was originally served by another system,” says Peer. “Equipment has been installed that interfaces with other plant rooms – it’s all in one place. The college sublets spaces for events, so the BMS had to offer easy adjustment.” Another area that leveraged the expertise of Abtec was the refectory, where extra space was constructed on to the existing block. Abtec provided a solution for controlling the underfloor heating, CO2 mechanical vent, lighting control and plant room controls – all of which were fed from the main plant room. “Throughout the various projects, we adopted an agnostic approach, using DALI, which is industry-recognised open technology,” says Peer. “It was important to avoid reliance on any one manufacturer, so if something needs to be replaced, it can be.” The systems installed by Abtec also facilitate the automatic testing of emergency lighting on a monthly basis, a function that saves on labour costs and time – boosting operational efficiency in the process. A common head end sits on a virtual school server, so all data is aggregated back to one place. In addition, a single set of graphics is deployed across all plant rooms to provide the same look and feel.

The results

Photo Credit: Photo © Paul Bryan (cc-by-sa/2.0)

All of the newly introduced lighting is based on LED technology, which – in combination with the Abtec control systems – means a better learning environment for pupils. Furthermore, a new heating plant is helping to drive energy efficiency and CO2 reductions in line with Part L of the Building Regulations. “The temperature and lighting are a lot easier to control now, whereas before it was difficult to say the least,” states Gary Wentworth, Site Manager at Arthur Mellows Village College. “We had to go down to the boiler room and locate the right switch, which was not necessarily obvious. Now, it’s all centralised on one computer, so we can alter time zones and schedules, and respond to issues quickly; it only takes a couple of minutes. The lighting has daylight harvesting control, which is saving energy as well as ensuring the right light levels for students and staff.” Abtec Building Technologies,

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Goodlight GX2 Linear LED High Bays were installed at FWB warehouses to improve productivity and cut energy costs

A TOTAL LIGHTING OVERHAUL FWB, an industrial supplier of tools, fasteners, electrical equipment and workwear, recently decided to upgrade its lighting to increase efficiency and cut energy costs. Long-life LEDs supplied by Goodlight are meeting this need, both at trade counters and in the warehouses, and are providing consistent light levels.


ED lighting brand, Goodlight, recently announced that FWB – an established supply chain partner – has replaced fluorescent lights at its sites in Stoke-on-Trent, Wrexham and Truro with linear LED high bays, LED battens and Eco LED ceiling panels. A total of 8,200 square metres of warehousing, trade counters and offices are now illuminated with long life, energy efficient Goodlight LED lighting. FWB chose Goodlight for the quality and value of the products as a distributor, and

made the switch to save costs, reduce carbon emissions and improve the workplace environment. FWB, which was established in 1963, provides a diverse range of products, including pipeline and fittings, fasteners, tools and workwear to the industrial, infrastructure, construction and public sector markets. FWB was looking to replace the inefficient lighting in its three trade counters and offices to save on energy and maintenance overheads; and thus selected Goodlight Eco LED ceiling panels, which have been designed to slot into existing ceiling grids with ease, making them the thinnest, most lightweight panel on the market.

Total LED solutions The Eco is a modular LED ceiling panel that delivers up to 95lm/W, providing reliable colour consistency that transmits over 95% light efficiency. The Eco is compliant with LG7, providing a good luminaire balance between task areas, walls and ceilings. Lighting for the warehouses included G5 battens and GX2 linear LED high bays, both of which deliver very high levels of light output, offering 110lm/W and 130lm/W respectively. The G5s and GX2s are rated to IP65 (waterproof), and provide further protection from dust, ice, heat and corrosion ingress. Both LED fixtures are completely glass-

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A close-up shot of the GX2 Linear LED High Bays


16A 250V˜

free and shatterproof, making them suitable for busy, working warehouse environments. All Goodlight products are guaranteed for five years and rated at 50,000 hours.

A successful project Sarah Lee, Marketing Manager at FWB, comments, “As a business with multiple branches, our energy costs were significant. After seeing the successful installation of Goodlight LED lighting at a number of our customers’ premises, we made the decision to replace the old lighting in all our sites. The installation was straightforward and was completed within two months. The service from Goodlight has been first class from start to finish.” Lee continues, “We decided to upgrade to LED lighting not only for the substantial reduction in energy costs and carbon emissions, but also for the improved light quality, and the added health and safety benefits. The high ceilings in our warehouses are difficult to access, and we were changing light bulbs constantly. These long-life LED lamps will reduce maintenance drastically. We

ABOUT LED ECO LIGHTS LED Eco Lights was founded in 2006 and celebrates 12 years as an award-winning LED lighting manufacturer. Its Goodlight LED lamps and luminaires provide a comprehensive range of LED solutions for commercial, industrial, amenity, leisure and hospitality environments. LED Eco Lights offers a team of technical experts, to guide customers through every stage of the upgrade process, including lighting design services, funding solutions and installation. LED Eco Lights also offers its Bright Goods range of vintage-style decorative LED filament bulbs.

now have consistent light levels and can see everything easily. The results are outstanding, and everyone is happy.” Goodlight,

Goodlight’s Eco LED ceiling panels have been designed to slot into existing ceiling grids with ease



• NO TOOLS REQUIRED making installation simple and fast • SMALL fits through a 50mm hole for spotlights • VERSATILE one enclosure suits multiple installations • EASY TO USE no loose parts to fit or lose • SECURE CABLES IN SECONDS patented In-Sure® cable grip system • MAINTENANCE FREE eliminate the need for access panels • COMPLIANT 18th Edition of BS 7671, BS 5733 MF and BS EN 60670-22



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ECN UPS advert May 19_ECN 24/05/2019 11:14 Page 1

Rack Mounting & Free Standing 1-6kVA AC Uninterruptible Power Supplies Features (PKR Series) • Online double conversion design, nominal 230VAC input, high input/output Power Factor • Very wide input voltage range (can operate down to 120VAC at 50% load) • Automatic Bypass feature • Various communication interface options including RS232+USB+EPO, dry contacts & SNMP adaptor • UPS management software • External battery rack for increased hold up time with higher current charger (optional) • 19” Rack Mounting 1KVA 2U, 2KVA & 3KVA 2U +2U Battery Rack (additional battery racks for longer hold up • Can also be used as stand alone tower unit. • Fitted with 5 year life batteries as standard, 10 year life optional • 5 years warranty (excluding batteries, unless 10 year life versions fitted)

Features (Xi Series) • Online double conversion design with 115VAC or 230VAC input versions • 1kVA to 6kVA output versions • Universal cassette based plug in battery system (same 48V battery pack fits all models) • Fitted with 5 year life batteries with 10 year optional • Dual AC mains input feeds means UPS can operate from two sererate AC circuits for added redundancy • Rack mount or stand alone with 2 position LCD display • Various communications options available including USB, RS232, Dry Contacts, SNMP card etc. • Remote Emergency Power Off function

Features (PGR Series) • Common Neutral design, Double Conversion Topology (Output Neutral to Input Neutral is common) • Wide Range Input with Input Power Factor Correction • 115VAC or 230VAC input/output versions • 1.5kVA and 3kVA models both in 2U case with batteries • Low Noise Smart Cooling Fan Design • High Efficiency, New Full-bridge Inverter Design • Smart backup time estimation, LCD display model • Adjustable floating charging voltage • Generator compatible • Automatic restart of loads after UPS shutdown • Smart Battery Management • Network manageable SNMP card (optional) • Remote Emergency Power Off (optional) Te l : 0 1 6 3 5 - 5 2 1 8 5 8

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CumulusPower, Centiel’s fourth generation, true modular UPS system, offers industry-leading availability


THERE’S MODULAR, AND THERE’S MODULAR Mike Elms, Sales and Marketing Director at Centiel UK, explains the critical differences between a modular UPS and a true modular UPS.


he UPS industry has seen changes in topology, from single standalone units to multiple redundant configurations, the establishment of the transformerless-based design, and the modular concept. The driver has been to reduce energy and seek higher efficiency, while at the same time increasing availability by removing single points of failure. Most major manufacturers’ UPS have very high online operating efficiencies, and there are now more modular type systems in the market. However, the term ‘modular’ can have different interpretations for different individuals. Therefore, it is important to analyse the nature of what is being described as a ‘modular system’ carefully when purchasing a UPS, to ensure the essential power of the data centre is protected at all times. Understanding the configuration and the definition of a modular system carefully, before the deal is done, is therefore critical.

Defining a modular system At the most basic level, a single standalone UPS unit that protects a critical load is known as an N system configuration. However, a standalone UPS lacks any resilience in the event that the unit develops a fault or is offline for preventative maintenance. Paralleling a second standalone UPS unit of the same rating, provides resilience and is known as an N+1 configuration. It would be possible to parallel several standalone units together of an individual smaller rating to give the same philosophy. At the most basic level,

this could be described as a modular UPS system. However, there does need to be the associated electrical infrastructure – switchgear, etc. – to be able to add more standalone units. Another definition of modular is a standalone UPS designed and manufactured in a modular format. The main component parts of rectifier, inverter and static switch are modular; that is to say, they can be withdrawn/inserted as a single component. If there is a problem with the rectifier, for example, it can be swapped easily. The challenge with this configuration is that if one component does fail, the whole UPS functionality goes down with it. It may be a modular system by definition, but its level of availability will not be reliable.

A truly modular UPS A better solution is what we term ‘a true modular UPS’. This is where several individual UPS modules are contained within a frame. All the individual modules are UPSs in their own right, all containing a rectifier, inverter, and static switch and all operating online in parallel with each other. For example, eight 20kW UPS modules may typically be contained within a single frame, offering a resilient configuration of 140KWs N+1. Various frame and module sizes are available. If required, it takes moments (around 30 seconds) to ‘hot-swap’ a module while the rest of the modules continue to protect the critical load. At no point does the system need to be transferred to maintenance bypass and hence on raw mains. Some other modular systems include the rectifier and inverter within their modules, but the static switch is a

“The installation of a higher CAPEX, higher quality UPS system can realise cost savings over the longterm through increased efficiency, resulting in lower running costs.”

centralised and separate component. This results in a potential single point of failure. It may only take a few moments to replace a separate static switch, but, depending on location, getting to the site to replace it may take a maintenance engineer several hours. During that time, the system cannot transfer to static bypass. With a true modular system, where the static switch is included in each module, the rest of the modules in the UPS frame continue to protect the load until it can be replaced. This increases the level of availability dramatically.

Assessing the costs When selecting a UPS system, the up-front CAPEX necessarily comes into question. This can lead organisations to purchase at a lesser cost, but at the risk of buying a lesser product. Therefore, it is essential to check all proposals to ensure that you are being offered a modular system that really will do the job intended: protect the critical power of your data centre with the highest level of availability. The installation of a higher CAPEX, higher quality UPS system can realise cost savings over the long-term through increased efficiency, resulting in lower running costs and a lower overall total cost of ownership (TCO), so doing a full cost analysis is usually worth calculating. At Centiel, we have developed our pioneering fourth generation, true modular UPS system, CumulusPower, which offers industry-leading availability of 99.9999999%, with low total cost of ownership (TCO) through its Maximum Efficiency Management (MEM) and low losses of energy. Centiel UK,

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SAFETY FIRST Powersolve Electronics has introduced a new range of solutions that help to reduce high peak currents in a range of different scenarios.


owersolve Electronics is offering a new range of low cost, high peak inrush current limiters designed to reduce high peak currents for capacitive and inductive loads in a variety of applications. These include installations across complex automation systems and machinery, as well as isolation transformers or LED lighting applications. In LED lighting, they are particularly useful, because you can have a large number of LED driver power supplies operating in parallel. When the AC mains input is switched on, this can result in very high peak currents, as the input capacitors of the LED drivers all charge up at the same time, which can cause a very large current surge which will result in circuit breakers tripping.

The PSICL series is a true current limiter and cuts off all peak currents when starting loads under practically every AC condition. Extreme conditions can occur on AC lines in the event of a break in the supply, and when power returns, high current peaks can often cause havoc and trip circuit breakers. In decentralised areas, this will often lead to increased maintenance costs, as the breakers require resetting. This is especially the case in remote areas, such as tunnels etc., where the circuit breakers are not easily accessible to maintenance operators. The PSICL current limiter prevents this happening and can result in reduced cable cross section used and smaller and faster circuit breakers can be used. The PSICL Series is available in three 230VAC single phase input models with continuous operating current rating of 12A, 16A and 25A. Current limiting time is

100-500ms with repeat intervals of 1000ms. They have an operating temperature range of -40ºC to +70ºC and conform to EN609501 and EN61000-6-2, 3 standards and are CE and RoHS. MTBF figures are 300,000 hours. The PSICL is a housed in a low profile V0 flammability rated plastic case, measuring 91H x 71W x 57Dmm. There is also an alternative mechanical design designated PSESB series, which is available in a very slim width enclosure with measurements of 100H x 22.5W x 112Dmm. This model is also DIN Railmounted and internal circuitry is identical for both the PSICL and PSESB versions. All above models are only available for 230VAC input.

The PSICL series (left) and the PSESB series (right) are designed with safety in mind

Powersolve Electronics,

Fully compliant with BS7671:2018 GROUP


New & Improved Range!

Surge Protection Devices Type 2 & Combined Type1,2 & 3

RCBOs & RCCBs Class AC & Class A

Introducing the new 18th Edition Compliant range of Metal Consumer Units with added features! • One extra module for the installation of SPD without increasing the overall dimensions of the board. • A selection of knockouts including the two new additional 32mm circular knockouts, positioned at the top and bottom, in line with the main switch. • Ease of installation through lid earth connection directly to an additional way provided on the earth bar. Tel : +44(0)1376 336 200 - Fax : +44(0)1376 322 161

UPS&EV – Powersolve.indd 60

• SPDs in Type 2 and Combined Type 1,2&3 for single and three phase applications. • 6kA Single Module RCBOs ( B & C Curve) – Class AC and Class A • 2 Pole RCCBs – Class AC and Class A -

24/05/2019 14:37

Business continuity made easy

Keeping critical equipment stable is easy and affordable with Schneider Electric’s Easy UPS. The Schneider Electric Easy UPS 3 Series is an easy-to-install, easy-to connect, easy-to-use and easy-to-service. The Easy UPS 3 Series brings predictability to utility costs by delivering up to 96 percent efficiency in double conversion mode and up to 99% efficiency in energy-saving ECO mode. This EcoStruxure™ Ready UPS features a wide operating temperature range and strong overload protection, all in a compact and lightweight footprint. The Easy UPS 3 Series is the easy choice for your business continuity - ideal for small and medium businesses, data centres, and other mission critical applications. Reliable power protection you need, from the brand you trust. To learn more visit

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©2019 Schneider Electric. All Rights Reserved. Schneider Electric | Life Is On is a trademark and the property of Schneider Electric SE, its subsidiaries, and affiliated companies.

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RAMPING UP THE POWER High voltage power contractor, Smith Brothers, has begun work on the first of Arlington Energy’s energy storage and gas peaking projects – a short term operating reserve (STOR) site in Sheffield, Yorkshire. Here’s a look at how the project unfolded.


This is the first STOR site set to be added to Arlington Energy’s planned 1GW portfolio of UK energy storage and gas peaking projects

ith work having commenced on the Chesterfield Road development in April 2019, the site is set to house eight gas generators and the associated infrastructure. Once complete, the plant will provide back-up power generation to the National Grid, and Smith Brothers is also working alongside Northern Power Grid (NPg) to achieve a 66kV connection for the power generation of the plant. The planned turnkey programme of works sees the Elland-based contractor carrying out all engineering, procurement and construction (EPC) civil and electrical engineering aspects of the connection assignment – from the initial design, through to final commissioning. Dave Ogden, Director at Smith Brothers, comments, “We’re delighted that work has commenced on Sheffield’s Chesterfield Road gas-peaking project. This is the first STOR site set to be added to Arlington Energy’s planned 1GW portfolio of UK energy storage and gas peaking projects, and we’re proud to be working alongside such a renowned brand.

A look at the Chesterfield Road site when Smith Brothers commenced work back in April

“The EPC works will include the procurement, delivery, installation and commissioning of eight 2.5MW gas generators and an 11kV switchboard.”

“We have worked closely with Arlington to move the portfolio forward over the past year, and we are delighted that our technical expertise enables us to support them during this significant new phase of growth.”

What exactly is involved? Preliminary works saw Smith Brothers’ specialist power system design team oversee all EPC electrical and civil design and approval processes for the contestable elements of the project – including those on behalf of the DNO. The EPC works will include the procurement, delivery, installation and commissioning of eight 2.5MW gas generators and an 11kV switchboard – as well as the required on-site gas pipe engineering. Meanwhile, private works will include planning, proving and laying of the cable route, as well as procurement, delivery, installation and commissioning of a 66/11kV power transformer and 66kV switchgear – alongside all associated infrastructure.

In order to reduce environmental impact to the surrounding areas, the development will be surrounded by an acoustic barrier fence and – upon completion – the site will be landscaped, in order to encourage local wildlife to return. Matt Clare, Director of Arlington Infrastructure, adds, “It’s great to see work having started on the Chesterfield Road site. It’s the first of many gas peaking projects Arlington has in the pipeline, and – given the scale of our portfolio and approach to the market generally – it was crucial that we partnered with a trusted counterparty who would take care of all our EPC and technical needs.” The Smith Brothers team, along with a project manager, site manager and several sub-contractors, will work towards the final commissioning of the scheme, and subsequent energisation, by September 2019. Smith Brothers,

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ESP has added a new 5W fitting to its Duceri LED exit sign range. This completes the product line-up, which offers contractors, installers and wholesalers a comprehensive range of independently tested products which combine high performance with ease of installation. The new 5W LED emergency exit signs (up, down, left and right) feature an SMD 2835 LED lamp which offers a 60 lumen mains output and 44 lumen emergency output, with a viewing distance of 28m. These double-sided signs feature polycarbonate housing and are designed to be ceiling mounted. The new fitting offers three hours’ emergency duration, with charge and discharge protection, and features a green LED charge indicator. It is fitted with a 3.6V 900mAh Ni-CD battery, and has been tested to meet BS EN 60598-2-22 standards. It measures 345mm x 110mm x 190mm and weighs 1kg. For further information, visit

STANDALONE ACCESS CONTROL SYSTEM FROM NORTECH People and vehicle access control specialist, Nortech, has launched its NanoQuest, a secure, single door self-contained access control system. This proximity card reader/ access controller combination is small, powerful and supports up to 500 users. The NanoQuest is a compact standalone proximity card reader and access controller that is easy to install and operate, and it houses both the access control electronics and the 125kHz proximity reader. Its slender and elegant compact design suits most architectural and interior design settings, while the robust construction allows it to be used in most working environments. A NanoQuest unit controls access through a single door for up to 500 authorised users, and can also be used as a secure method of controlling devices such as intruder alarm panels, lighting and heating. The configuration of its many features and the addition/removal of user cards are made simple with a ‘Master’ card. Special ‘User’ and ‘Auxiliary’ cards can also be added to control auxiliary devices and access restricted areas, and free exit input is included. For further information, visit

Approved to BS EN 62444 Range from 20S to 32mm Fast Fit No Shroud IP68 Rated Multiple Cable Types Non Corrosive UV Stabilised Zero Halogen

SUPER ROD BRINGS FERRET WIFI TO THE UK Super Rod has launched the Ferret WiFi, offering UK installers the chance to get their paws on the multipurpose wireless inspection and cable pulling tool which has already taken New Zealand, Australia and the USA by storm. Designed by award-winning New Zealand tech company, The Cable Ferret, the Ferret WiFi uses the latest electronics technology to stream high resolution video to a smart device in real time, making it the ideal tool for fast and accurate close-up visual inspections and troubleshooting in places which are too confined or hard to reach. The camera has six adjustable bright white LEDs on the front to provide crisp, clear 720p images, even in complete darkness. The Ferret WiFi is used in connection with a free app, which allows installers to save videos and photos directly onto their smart device. This feature helps identify issues and also provides proof of a problem or repair to customers, which is ideal when quoting or invoicing for jobs. For further information, visit

Information & Sales : 01453 844 333 Abbey Mills, Charfield Road, Kingswood, Wotton-Under-Edge, Glos, GL12 8RL


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NEW AMD DECKING FIXING FROM LINDAPTER The Type AMD fixing has been developed to allow building services to be suspended from AMD60 and AMD80 decking profiles manufactured by Anglian Metal Deck Ltd. Lindapter highlights that the new CE marked fixing creates genuine efficiencies for the contractor, as it is installed within seconds and is adjustable onsite without the requirement of specialist labour, expensive tools or power. The Lindapter concept delivers an economical connection method suitable for the installation of a variety of HVAC systems, fire protection, pipe work, electrical equipment and lowered ceilings. The AMD wedge is designed to fit inside the dovetail re-entrant channel of the composite decking profile and held in place by a locking plate and locknut. In contrast to shot firing methods, this zero-impact fixing preserves the strength of the decking profile and avoids delamination (separating the steel from the concrete) and damage to the deck. For further information, visit


SOLAR SOLUTION UPS THE ANTE ON LED LIGHTING’S CLIMATE CREDENTIALS Light Efficient Design UK is taking LED lighting to new levels of energy and emissions performance. The company’s new an all-in-one solar-powered solution features a solar panel and battery integrated directly into the LED fixture. There is no need for trenching or wiring, as the fixture does not connect to any power feed. Designed for use in applications such as outdoor car parks, transit shelters and bus stops, the fixture turns on at night automatically and can be set to either stay at 100% light output, or dim down if there is no motion in order to extend battery life. The long-life advanced new LiFePO4 battery lasts at least 2,000 charge cycles, and provides sufficient power for three nights with a one-day charge. There are two 5000K models available, with the 8W version replacing up to 70W MH, and the 30W up to 250W MH. Both allow light adjustment, and the solar panel can be positioned to maximise sunlight and enable snow to slide off. For further information, visit


IT’S TIME TO STAY COOL AT WORK Lightweight fabrics in the new Topwear range will perfectly complement Snickers Workwear stretch garments this summer. The warmer weather will bring a need for professional craftsmen and women to be cool and dry, to maintain wellbeing and to help with working efficiency on site. That’s why Snickers’ new Topwear for the summer uses 37.5 fabric technology, which is really good at ‘wicking’ moisture away from the body and keeping you dry. There’s stylish new shirts, hoodies and sweatshirts in a range of styles and colours that are super light and quick drying, with advanced ventilation to keep you cool in the heat. They’ve all got superb, body-mapping designs for an amazing fit, outstanding functionality and long-lasting comfort – all day, every day. For more information about Snickers’ summer workwear range, call the Snickers helpline on 01484 854788. You can also check out the website and download a digital catalogue, or email info@snickersworkwear. For further information, visit

Danlers’ new range of ‘Casambi-enabled’ occupancy detectors use Bluetooth Low Energy communication to control lighting without the need for any wiring between the controls and the luminaires. Any number of Casambi-enabled luminaires and controls in a building will automatically form a mesh network, and the Casambi app can be used to quickly and simply set up any required control system. This has major advantages in cost, ease of installation and flexibility. Casambi networks are both reliable and secure, and devices can be added or taken away at any time. They can also be integrated with existing DALI or 1-10VDC systems. To learn more, you can contact Danlers via telephone on 01249 443377 or by fax to 01249 443388. Alternatively, you can email or visit the website below. For further information, visit

NEW MERIDIAN LED CABINET LIGHTING The CED Electrical Group promised that 2019, its 25th anniversary year, would feature a host of new products and, for the Meridian brand, this begins with new CE approved cabinet light fittings. Suitable for kitchen counter lighting, cabinets and recessed areas, there are new Linklites from 310mm up to 1,170mm in length, and in power terms, from 4W to 16W. Designed to allow up to ten fittings to be linked together, they have a flicker-free operation and come with 2,700 or 4,000 changeable colour rendition. Silver aluminium cabinet lights follow, with 8W and 10W variants and lengths from 310 to 565mm – including an infrared sensor option. All products are IP20 rated and deliver a beam angle of 150°. Finally, less traditional new cabinet lights include four piece round lighting kits, with warm white or red output, plus a 7W triangular kit of three fittings with a warm white output.

PRYSMIAN LAUNCHES CPR COMPLIANT DRAKA CABLE Cable manufacturer, Prysmian Group, has launched a new, UK manufactured Draka UC400 23 Category 6 U/UTP LSHF D64 Cca data cable. The new cable has been designed and engineered by the Prysmian Group Multi Media Solutions business to comply with the Construction Products Regulation (CPR) to Euroclass Cca s1a d1 a1 fire performance rating, provide a high degree of usability, including deployment from a 305m Reelex box and delivering full Category 6 / Class E compliant electrical performance. CPR for cable products that are permanently installed in buildings has been in force since July 2017. To meet these stringent fire safety tests, the existing Draka Cat.6 U/UTP Eca cable needed to be redesigned. Prysmian Group developed a new Cat. 6 U/UTP Cca cable that meets both criteria without compromise: high data transmission levels are maintained, and the cable is genuinely CPR Cca rating compliant, even when used from a Reelex box. For further information, visit

For further information, visit

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SCOLMORE OFFERS TWIN USB CHARGING PORT Scolmore has upgraded its 13A two-gang USB socket, which now features two USB charging ports which are both capable of delivering 5V 2.1A simultaneously. This allows for optimum charging of two devices at the same time, without fear of fluctuations in the power supply interfering with the charging process. Unlike some products on the market, the total power available is 4.2A, thus allowing both ports to deliver 2.1A at the same time, so you are guaranteed optimum charge every time, regardless of the devices being charged. This latest development is part of a redesign of Scolmore’s USB sockets range, which sees the location of the USB ports on the two-gang socket moved from underneath the switch and socket outlets to above each individual socket outlet on the outer edge of the plate. The 13A one-gang socket outlets with 2.A USB also now feature a new location for the USB port – from underneath the switch on the right, to above the socket outlet on the left.

THE METWAY CONNECTION CENTRE LIGHTING CONTROL MODULE The MCC Connection Centre lighting control module from Metway offers a wealth of features to benefit the installer and specifier alike. It is the simple, flexible and costeffective solution for your lighting installation. The Metway Connection Centre unit comes in a 10 and eight output configuration with dedicated PIR inputs. It features dual side latching luminaire outputs and PIR inputs, dual channel dimming, and dual channel switching. The robust moulded, low profile construction allows for simple single fix installation and loop in termination of cabling. The unit also features pluggable switch inputs which combine dimming and switching of detectors on individual channels. The switch inputs can also be used to facilitate Metway’s range of communicating detectors to create a networked system with corridor hold. Pluggable BMS integration is also available via third-party controls. For more information, visit

For further information, visit

IS YOUR RCD PROTECTION UP TO STANDARD? The latest British Standard for RCD protection has been in force for over two years, and it really is time to give your customers all the benefits of the latest thinking on their safety. That’s where the new Timeguard Valiance+ range of RCD-protected switched sockets and spurs comes in. As usual, this trusted supplier has gone the extra mile and, as well as upgrading features to meet the new British Standard BS7288:2016, it has undertaken a complete redesign and upgraded to the latest generation of componentry throughout. So, both end-user safety and long-term reliability are improved. The Valiance+ range of one-gang and two-gang RCD switched sockets in both active and passive versions is fully compliant with the new BS 7288:2016. Specification for residual current devices. This latest standard replaces BS 7288:1990. The comprehensive range of RCD wiring accessories covers all you’ll need, including white plastic and rugged metal clad variants in both one-gang and two-gang, and a choice of three styles of RCD switched fuse spurs. For further information, visit

CENTIEL NOMINATED FOR MAJOR INDUSTRY AWARDS Leading UPS manufacturer, Centiel, has been shortlisted for three major industry awards. The Electrical Review excellence awards recognise outstanding achievements within the industry over the past year, and Centiel has been nominated in three categories: Power Project of the Year, Power Product of the Year and Energy Saving Project of the Year. Mike Elms, Managing Director of Centiel UK, comments, “It is really exciting that both our innovative introduction of ‘top cable entry’ for our CumulusPower 4th Generation true modular UPS, plus two unique client installations, have been highlighted in relation to these prestigious awards. “Last year we introduced a new solution for ‘top cable entry’ directly into our modular frame, meaning additional costs and space are saved. The modular configuration of CumulusPower allows the option of having UPS input terminals at either low or high level within the frame, to accept cables from below or above depending on customer requirements. This offers total flexibility when integrating into existing or new electrical infrastructures. For further information, visit

NEW POE VERIFIER ELIMINATES GUESSWORK IDEAL Networks has launched a new handheld tester that eliminates guesswork when installing, maintaining and troubleshooting PoE devices and data cabling. PoE Pro measures and reports PoE Class, voltage/voltage drop, watts and injector Type, making it easy to see how much power is available. “The new PoE Pro eliminates trial and error when installing or troubleshooting PoE systems,” says Tim Widdershoven, Marketing Director at IDEAL Networks. “Installers can now accurately measure the maximum power available to PoE devices in any installation.” “Previously, technicians had to understand all the various standards, device power outputs and cable lengths to be sure a device will operate successfully. There was a lot of guesswork involved. “With the PoE Pro, users can see whether 75W of power is provided to a device that needs 75W of power, such as a remote point-of-sale kiosk or a digital flight status sign at an airport. The pass-fail indication provides peace of mind the PoE device will work first time, every time.”

TRIDONIC’S FIFTH GENERATION LLE ADV MODULES Tridonic’s fifth generation of the LLE ADV series offers an amazing improvement in efficiency, and incorporates new features for modules with widths of 16mm and 55mm. Combined with their narrow colour tolerances corresponding to MacAdam3, the modules offer excellent quality of light and are perfect for use in commercial or educational establishments. With an impressively high module efficiency of up to 203 lm/W, and an extremely durable life of 72,000 hours, the LED modules are available with different colour temperatures from 2,700K to 6,500K – and each has a colour rendering index of Ra > 80. The modules can be quickly and easily connected with each other via plug-in terminals. Even if several modules are connected one after the other, the light always remains homogeneous. The 16mm modules are now available in 70mm lengths, and 55mm modules are now fitted with holes for greater compatibility with commercially available lenses. Tridonic offers a five-year guarantee for the new modules. For further information, visit

For further information, visit

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3-7 pole ceiling rose



THE WORLD’S F IRST 7-POLE ‘ D E C O R AT I V E ’ C E I L I N G R O S E Available in 3 - 7 pole options. Suitable for standard, dimmmable or specialist lighting applications. Easy to remove cover. 100% tested, prewired plugs. Side access terminals for easy testing.


W W W. F L E X 7 . C O. U K / P R O T A

Suitable for standard, dimmable, or specialist lighting applications. Simple plug-in connection allows for quick installation - 1 product to combine power and DALI. The socket is designed to mount onto a standard BESA box, and the decorative cover fits securely onto the socket, with a simple quarter-twist action.

020 8580 1066





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