In a time when UK business growth has been dampened by economic pressures and political uncertainty, the recent sales surge among small and medium-sized electrical manufacturers has offered a jolt of unexpected – and much-needed –optimism
According to new data from ( job management software specialist) Unleashed’s Manufacturing Health Index, electrical manufacturers in the UK saw a remarkable 152% increase in sales revenue from Q4 2024 to Q1 2025, with a 55% year-on-year rise
Even more striking: profitability jumped 70% over the quarter These figures are not just impressive; they also send a powerful message to electricians, suppliers, and the broader UK manufacturing landscape
At a surface level, this performance might seem like a potential outlier Business confidence surveys for Q1 showed a downturn, driven by fears of tax rises, inflation, and global instability But the real story here is about resilience and strategic adaptability
UK electrical manufacturers have demonstrated their ability to navigate choppy waters and still come out stronger – and that's an inspiring narrative for those electricians who rely on domestic manufacturing to sustain and grow their own businesses.
There are several underlying signals within the data that offer a roadmap to sustained success For one, shorter lead times – now down to just 16 days – are empowering manufacturers to reduce waste, order in smaller, more responsive batches, and free up cash flow
Electricians, often operating on tight timelines and budgets, benefit directly in the form of more reliable delivery schedules and potentially lower costs
Another key insight is the positive
“For electricians across the UK, it affirms that they are working in a sector that not only endures uncertainty, but finds a way to thrive in spite of it.”
impact of currency fluctuations and tariff shifts UK firms capitalised on temporary international trading advantages, such as customers bringing orders forward before tariff adjustments
For UK electricians, who may have grown used to sourcing from overseas, it could signal a return to – or renewed faith in – British-made components and systems, particularly where reliability and responsiveness are valued
Perhaps most heartening is the implied economic stimulation from falling bank rates, which seem to be providing a tailwind for manufacturers If this trend holds, it may mark the beginning of a longer-term recovery phase for the sector, and with it, more stable and growing demand for skilled electricians
This is more than just a statistical win; it’s a signal of the electrical industry’s resilience and vitality. For electricians across the UK, it affirms that they are working in a sector that not only endures uncertainty, but finds ways to thrive in spite of it That, alone, should provide a jolt of optimism for all of us
Have a good summer, enjoy the issue and we’ll see you again in September
NICEIC has announced a significant expansion of its Experienced Worker Assessment (EWA) provision
This includes the introduction of a new EWA route for Domestic Electricians and the launch of the EAL Electrical Underpinning Knowledge and Understanding Test, designed to give experienced professionals without a Level 2 qualification access to the EWA pathway
This expansion comes in response to increasing demand from electricians seeking formal recognition of their skills. With industry standards evolving and customer expectations rising, NICEIC is committed to supporting professionals in future-proofing their careers.
Following the success of the EWA Installation Electrician route, NICEIC is now introducing the EWA Domestic Electrician route, enabling even more experienced electricians to gain a recognised Level 3 qualification and unlock new career opportunities
In addition, the Electrical Underpinning Knowledge and Understanding Test, launched last month, offers a new pathway for electricians who typically have over 10 years of experience and
want to undertake the EWA, but lack a Level 2 qualification
The first exam window will open in July, with NICEIC leading the way as the first approved centre to deliver this new test
● A Level 2 electrical qualification (or equivalent knowledge via the new test)
● Minimum of 3 years’ experience for the Domestic Electrician route
● Minimum of 5 years’ experience for the Installation Electrician route
● Installation Electrician
● Domestic Electrician
Both routes are benchmarked against the same standards as formal apprenticeships, ensuring candidates are assessed to Level 3 competency
The EWA process is built around real-world evidence, allowing candidates to demonstrate their skills through practical assessment Eligibility requirements include:
For those without a Level 2 qualification, the new EAL Electrical Underpinning Knowledge and Understanding Test provides an alternative entry route This test evaluates core theoretical knowledge and enables experienced professionals to progress to the EWA.
WAGO reveals new headquarters as it prepares for growth
Electrical technology pioneer WAGO has opened the doors to a new eco-friendly headquarters and warehouse facility in the West Midlands as it prepares to grow in the UK.
The company’s new purpose-built 62,000 sq ft offices and warehouse are constructed to a BREEAM Excellent standard and use WAGO’s patented electrical connections throughout –including more than 600 ‘221’ connectors and 24,000 meters of UK-produced WINSTA cabling.
Situated in the town of Houlton, the new WAGO building puts connectivity at its centre Built following a four-year construction period, the building comprises an office and a warehousing
facility that will provide employment for 105 people, with space to accommodate around double this number as the firm grows.
The company has had a presence in the West Midlands for many years and distributes to wholesalers and direct customers all over the UK from its warehouses
Darren Hodson, Managing Director at WAGO UK & Ireland, said: “WAGO has exciting plans for growth in the UK and we’re really pleased to open the doors to our new purpose-built home in Houlton
the top 10% of buildings in the UK in relation to sustainability
“The new building has been designed to be as eco-friendly as possible, and its BREEAM Excellent certification puts it in
“We’re making use of everything from harvested rainwater which is used for wastewater in toilets through to air source heat pumps and solar power to reduce the building’s carbon footprint ”
New look and premises to spearhead Batt Cables growth
Batt Cables has announced a new brand identity and major new premises acquisition, as part of its long-term growth strategy.
Batt is a long established cables distributor in the UK, with operations across Europe and in the USA Originating back in 1952, the brand is one of the oldest in the electrical industry
Named after one of its founders, Batt has a proud heritage and has earned an enviable reputation for customer service excellence
Following the company’s evolution, its stated purpose is to ‘electrify the world’ –not only because of its own international presence, but also because its customers work on projects globally The new vision statement of intent is ‘to be the go-to choice for cable solutions ’ Batt plans to deliver the vision through a renewed focus on the customer, building long-term relationships at the same time It will take this proposition into new markets to help achieve its growth objectives.
The new branding will take pride of place on a new 250,000 sq ft logistics
centre in South Yorkshire The new build premises complements existing Batt warehouse facilities in Kent, Bristol, Manchester and Edinburgh, and will create additional supply chain capacity to underpin future growth Batt will utilise this increased capacity to make further improvements to its customer proposition The new warehouse location allows convenient access to the M1, M18 and M62 motorways for easy transportation in North and South directions The facility will become operational in a phased introduction programme over the next few months
and brand identity symbolise this revitalisation of the business
“The
Rob Barclay, CEO of Batt Cables, commented: “We’re on an exciting growth journey here at Batt Our new brand vision
Connexbox rebrands grey Wagobox enclosures
Connexbox, the original designer and manufacturer of the grey Wagobox enclosures, has confirmed that the products are not being discontinued. Instead, they’re being rebranded and will now be sold under the Connexbox brand name.
The rebrand marks a strategic decision by Connexbox to operate as an independent entity, with the company now taking full control of its product line and future direction
H e l e n M o l e, H
“We’re proud to now supply them under our own brand name –Connexbox. They’re the same trusted enclosures, made by the same team, to the same high standards The only
change is the name ”
As part of this exciting new chapter, Connexbox has introduced its latest innovation: the Connexbox JBX Pro enclosure
Featuring versatile cable grippers, a convenient lift-up end-opening, and full BS EN 7671 compliance, the JBX Pro is designed for electricians who want to work faster, safer, and with complete confidence
This transition gives Connexbox the freedom to drive innovation, deliver responsive technical support, and build stronger relationships with wholesalers and electricians.
Ruth Devine MBE becomes ECA President
Ruth Devine MBE has been revealed as the 112th President at ECA (Electrical Contractors’ Association)
She is the second female President in ECA’s 124-year history, after Diane Johnson, who served in 2010-2011.
For the past 18 years, Ruth has been a director of award-winning contractor SJD Associates, based in Milton Keynes A prominent figure in the electrotechnical and engineering services industry, Ruth brings extensive industry experience, a deep commitment to apprenticeships, and a passion for building a more inclusive and sustainable sector
Outside of her professional role, she Chairs ECA’s Skills Committee, which advises ECA Council on relevant skills matters and supports member engagement with the skills system
She is also employer Chair of The Electrotechnical Skills Partnership (TESP), which supports the industry with clear entry and progression routes, high quality training and assessment and leading research to support industry action.
She’s a founding member of the Institute for Apprenticeships and Technical Education Construction Route Panel, and the Building Safety Regulator’s Industry Competence Committee
Additionally, Ruth supports the Construction Leadership Council on skills issues and attends the Government’s
Construction Skills Delivery Group
In 2023 Ruth was awarded an MBE in the King’s New Year Honours list, for her services to further education and apprenticeships
Ruth said: “It’s an honour to take on the role of ECA President at such a critical time for our industry.
“As we face the triple challenges of increasing demand for electrification, improving and demonstrating competence for better building safety and closing the skills gap, there has never been a more important moment to unite behind a vision of excellence, opportunity, and innovation
“I look forward to working closely with our members, association staff, and stakeholders to champion the future of our sector.”
Steve Bratt, Group CEO at ECA, said: “Ruth has been instrumental in both the electrical and construction industries, driving home the importance of employing apprentices to meet the demand for having the skilled workforce to take the UK to net zero carbon emissions and beyond.
“Having Ruth at the helm will further strengthen this drive to reach our common goal of futureproofing the UK for the next generation of electrical contractors.”
In further developments, Jeremy Parkin, Director at Powerlink Electrical Services in South Wales, has been appointed as Vice President of ECA, while Glenn Grant has been made Senior Vice President, and Stuart Smith becomes Immediate Past President.
GET SET AND WIN WITH WERA TOOLS!
As Wera celebrates the launch of its latest VDE innovations, three readers will have the chance to bag a KK VDE Allrounder Set.
The Wera Tools VDE range has added some new innovations this month as the specialist manufacturer launched its new 2025 products
Safe Torque Speed VDE
One of Wera’s stated aims in recent years is to “Make Torque Easy” and that ambition has extended to the electrical world with the introduction of the new Safe-Torque Speed VDE screwdrivers
These drivers utilise the same technology as the non-insulated Safe-Torque Speed drivers with super-fast setting of the desired torque value
The “safe’ element is provided by the slip-over mechanism which ensures that the selected torque cannot be exceeded Five pre-set torque values are quick to set, ensuring easy and safe screwdriving in both clockwise and anti-clockwise operations
As a special feature, the fixed position (Torque Lock function) allows the Safe-Torque Speed to be used as a conventional screwdriver for high tightening and loosening torques.
Another popular feature of this tool is the fast-rotating sleeve for easy wielding of the tool whilst screwdriving
Two versions are available with the
values 0 4, 0 8, 1 2, 1 6, and 2 0 Nm, as well as 2 4, 2 8, 3 2, 3 6, and 4 0 Nm, that cover the most popular applications The new Torque drivers are also suitable for use with Wera’s existing VDE interchangeable blades, and are available together in a Wera Kraftform Kompakt textile pouch
410i VDE Ratcheting T-Handle
Not content with one new VDE innovation, Wera has also launched the new 410i RA Ratcheting T-Handles. Available in both 3/8” and ¼” drives, the handles feature an integrated fine-tooth ratcheting mechanism that lives inside the ergonomic Kraftform T-handle
The free-spinning sleeve on the blade ensures fast rotation, while the cut-outs allow the ratcheting mechanism to be used with low resistance
The new 410i RA Ratcheting T-Handles work with the accompanying 3/8” VDE sockets and accessories from the existing Zyklop VDE Series, or the new ¼” range which was also recently launched
Kraftform Kompakt VDE 712i
Adapter Blade
Users of Wera’s popular existing Kraftform Kompakt VDE range can also make use of the new ¼” VDE sockets with the 712i VDE Adapter Blade This ¼” drive blade fits inside all existing Wera VDE handles including Turbo, Torque and the 837 i RA VDE ratcheting handle
WHAT CAN YOU WIN?
To celebrate the launch of these great new products, Wera is giving three readers the chance to get their hands on a fantastic Kraftform Kompakt VDE Allrounder Set 1 It includes:
● 837 i RA Kraftform blade-holding handle with ratchet functionality
● 817 VDE Kraftform blade-holding handle
● 410 i VDE A RA VDE-insulated T-handle
adapter screwdriver with ratchet functionality for ¼" sockets
● KK VDE Take it Easy interchangeable blades
● Kraftform Kompakt A VDE 712 i Adapter blade, insulated, for ¼" sockets
● 8790 A VDE Zyklop Socket, insulated, with ¼" drive (5-13mm)
HOW TO ENTER
ENTER FOR FREE BY FILLING OUT THE ENTRY FORM AT: WWW.RDR.LINK/EBP004
GOING WITH THE FLOW
Robert Stuart-Walker, New Product Manager at Sync Energy, which is part of the Luceco Group, introduces Sync Energy Flow, a new fully integrated home energy management system.
In today's world, there are plenty of factors to consider when it comes to how we use energy in our homes As energy costs rise and the push for decarbonisation accelerates, home energy management systems (HEMS) are emerging as a key solution for consumers looking to cut costs, reduce emissions and gain control over their energy consumption
With the use of solar panels, electric vehicles and smart appliances growing daily, HEMS allow real-time monitoring and intelligent automation that optimises how and when energy is used
This growing demand is not just about convenience, it's about preparing homes to actively participate in a more flexible, resilient and sustainable future when it comes to energy use
And, as the technology develops and matures, and adoption grows, these systems are poised to become a standard part of future-ready homes, making it an important area for professional electrical contractors to fully embrace.
However, despite the clear momentum to ultimately transform homes from passive energy consumers to active participants in a more flexible, sustainable energy system, there are some barriers to overcome.
There may be cross-platform operability issues or privacy and security concerns around energy usage data Put simply, not all homeowners are tech-savvy or sufficiently interested in actively managing the energy use.
These were important issues to consider during the development of Flow
Sync Energy Flow –simplifying sustainability
With Sync Energy Flow, our goal is to simplify sustainability. We believe that energy efficiency shouldn't be complex or reserved for the more technologically minded – it should be for everyone With Flow, we're helping homeowners to take charge of their energy future with ease whilst giving installers the tools to deliver a fully integrated system with confidence.
Connected energy lifestyle
Flow was never about creating standalone products – it’s about creating a connected energy lifestyle – a new way to use and maximise available energy.
At Sync Energy, we’ve combined key technologies, hybrid inverters, modular battery storage, solar power diverters and EV charging and brought them together through a single intuitive App End users don’t just get great hardware, they get simplicity, control and smart energy usage that works around them
Central to Flow’s design is a modular platform built for flexibility We offer 3 6 kW and 6 kW hybrid inverters that are stackable or wall-mountable, designed to integrate seamlessly with our 5.12 kWh LiFePO4 batteries, which are not only scalable up to 35 84 kWh, but offer 90% depth of discharge, long lifecycle and outstanding safety
Then you’ve got our solar power diverters, which make sure no solar energy goes to waste – they are perfect for
“We have been meticulous in our research and development of Flow, with the aim of producing an accessible system that provides real benefits for consumers...”
heating water and reducing grid reliance. And of course, our EV charging options, from the ultra-slim, wall-integrated Link Charger to the more customisable Wall Charger 2, both 7 4 kW, smart-ready and OCPP 1 6J compliant
The common denominator
Bringing it all together is the Sync Energy App, which essentially acts as the control centre With real-time monitoring, smart scheduling, Tariff Sense for optimising usage against off-peak rates, it’s all included Whether it’s automating energy flows or checking solar output on the go, the App puts total control back in the homeowner’s hands
Designed for living
The whole system is designed to look as clean and refined on the outside as it is engineered within. The professional-grade finish ensures performance under pressure yet complements modern homes, and being rated to IP65 and IK10, with dynamic temperature
control, it’s ready for all seasons
Finally, thanks to the streamlined commissioning process and our UK-based support team, the handover is seamless too
Developed with installers for installers
Input from installers has been fundamental to Flow and has informed many of the innovations within the system Installer experience has been a huge part of this
development and we have held multiple focus groups to get to the bottom of exactly what installers want
It was this insight that drove developments like hidden battery handles for easy lifting and positioning, plug-and-play connectors that dramatically reduce wiring time and dedicated cable areas for clean, professional results
Even the mounting feet are adjustable to help with uneven floors, which all adds up to faster, neater installs, not only to the benefit of installers but their customers as well
Energy freedom
We have been meticulous in our research and development of Flow, with the aim of producing an accessible system that provides real benefits for consumers, both immediately and in the future, whilst our ongoing consultation with professional electrical contractors ensures that installation is as easy as possible
Sync Energy is dedicated to making sustainable living simpler With a mission to design connected, user-friendly energy systems that reduce carbon emissions and put control back in the hands of homeowners, we’re empowering a new era of smarter, greener living
GET MORE INFORMATION ON THE SYNC ENERGY FLOW RANGE BY VISITING:
POUCHES UP FOR GRABS
We've got Hultafors Electrician's pouches for two readers to win this month.
This ergonomic pouch has been designed specifically with electricians and technicians in mind.
Shaped like a small messenger bag, it’s designed to be worn while you work, keeping your tools within reach The bag is made from an extremely durable ballistic polyester – 1680 Denier – for maximum wear resistance and service life
The back is slightly curved and padded for an optimum fit Loops on the back also allow you to attach it directly to your belt while the zippered lid keeps your equipment safe when not in use The lid folds away on the outside making it easy to keep the bag open for easy access to the tools
The pouch features one main compartment with multiple pockets to help you organise your tools and testers Alternating red and black fabric makes it easier to tell different tools and pockets apart.
There are pockets with lids and zippers for safe storage of sensitive equipment It also features an external tape measure holder, an electrician tape strap, a hammer holder, pen holders, a key chain holder, loops for smaller tools such as screwdrivers and a small loop for attaching a carabiner
HOW TO ENTER
E
R A I N I N G G R O U N D
I’ve been told I’m not eligible for the new test that allows you onto the Experienced Worker Assessment without a Level 2 qualification – who is it for?
Part of the eligibility requirement for the Experienced Worker Assessment (EWA) is a recognised Level 2 electrical theory qualification, to ensure that each candidate has sufficient understanding of electrical theory and the required scientific principles, to accompany their extensive on-site practical experience
In the time since the EWA launch, we became aware of a population who have significant wide-ranging experience in the industry – often 10 years or more – who have acquired significant scientific knowledge over this period, but do not hold a Level 2 knowledge qualification
The new ‘Electrical Underpinning Knowledge and Understanding Test (Entry for Experienced Worker Route)’ was developed for this group of people There are two tests: one relevant for entry onto the Installation/Maintenance EWA, and one for the Domestic EWA.
It’s not a short-cut onto the EWA It’s a targeted and robust entry route for seasoned electricians who have substantial, wide-ranging practical experience (typically over 10 years) and who have gained significant understanding of electrical theory and scientific principles
It’s definitely not for new entrants to the electrotechnical industry, apprentices or other trainees, or those with limited practising experience in scope or duration
Importantly, you must be able to meet the EWA Skills Scan criteria and be able to provide the workplace evidence to complete the EWA qualification within 18 months
Your training provider will make a rounded judgement on your eligibility in terms of your experience and knowledge before they seek approval from TESP for you to sit one of the tests It’s not open to everyone, but if you meet the criteria described above it might be an option for you
Despite increasing challenges, apprenticeships are still a worthwhile investment. In this article the team at The Electrotechnical Skills Partnership (TESP) explains why.
CURRENT ASSETS
Employing an electrical apprentice can produce a positive return from year three of the apprenticeship, according to new figures published by TESP For those charging apprentices out at higher rates, positive returns can be gained as soon as the first year
Funded by National Electrotechnical Training (NET) and carried out by Pye Tait, this latest research updates the 2019 calculations from TESP that explored the return on investment (RoI) that can be made from electrical apprenticeships
Using scenarios based on differing charge-out rates for unskilled and skilled
work, following detailed interviews with 101 employers of all sizes across England, the overall net costs and benefits of apprentice recruitment were projected.
percentage of time spent on supervision and the increasing amount of time the apprentice spends completing the work of a qualified electrician.
What has impacted these figures?
Some key changes between 2019 and 2025 that have had an impact on these figures include:
The rates at which apprentices are charged-out plays a major factor in the total return realised over four years At the medium rate, the four-year net benefit is £26,580 (£34,076 in 2019) and the higher rate is £51,292 (£56,756 in 2019)
There has been a significant drop in value for those charging-out at lower rates, with the overall benefit now just £97 compared to over £11,000 in 2019
The calculations take into account the weekly costs of an apprentice and supervision, the
● The weekly cost of an apprentice as a percentage of a skilled electrician’s wage has increased in year three to 58 8% (up from 50% in 2019) and for year four to 63 6% (up from 55%)
● The percentage of supervisor time spent on monitoring/training is significantly down across all four years.
● Medium and larger firms are charging-out apprentices for a greater proportion of time
g r a n u l a r d e t a i l o n t h e w o r k
a p p r e n t i c e s u n d e r t a k e, t o s e e w h a t
s u p p o r t o r g u i d a n c e m i g h t b e
d e v e l o p e d f o r b u s i n e s s e s .
TESP believes the RoI findings, teamed with employers’ future intentions, highlight the importance of ongoing apprenticeship recruitment
“Even in a challenging environment for businesses currently, we have a positive message here that investing in apprentices makes economic sense and we should continue to promote the benefits of apprenticeship recruitment,” said Ruth Devine MBE, TESP Chair
“We’re aware from other TESP surveys that business uncertainty and apprentice costs are barriers to apprentice employment So now, more than ever, we need to find ways to encourage all employers, particularly small businesses, to support more apprenticeships
“It's important to recognise that the benefits of quality apprenticeships go far beyond financial metrics and the ongoing return that is made
“For low and medium charge-out rates, an apprentice will make money for the company by year three; at higher charge-out rates they show positive returns in the first year...”
post-apprenticeship completion ”
Andrew Eldred, Deputy Chief Executive Officer at the ECA, added: “Smaller firms employ and train 80% of electrical apprentices, and so indications that some are contemplating reducing recruitment is clearly a cause for concern
“Apprentices are crucial for the future, and electrical employers can still make a positive net return on this investment. Nevertheless, other, more immediate factors – not least wavering economic confidence and sharply increasing
business costs – are putting investment in future skills into question
“Aside from badly needed reforms to the skills system – as set out by ECA in our recently launched Blueprint for Electrification – government and industry therefore need to work together urgently to encourage more businesses, and especially smaller ones, to put their faith in the next generation.”
“The JIB welcomes this important research, which shows that investing in apprentices still makes sound business sense, even in challenging times,” said Jay Parmar, Chief Executive of the JIB
“We’re calling for government and clients to actively reward companies that invest in skills through fairer procurement and targeted incentives Backing apprentices today is essential to securing a stronger, safer, and more sustainable industry tomorrow ”
ONWARD AND UPWARDS
We put the questions to qualified electrician, Vishal Narbheram, CEO & Founder of Onward Shift, as we learn more about how his own personal struggles have led him to introduce a new mental health service for construction professionals.
QTellus more about who you are and your background in the electrical industry.
My name is ‘Vish’ and I’m a qualified electrician of 15 years (time really does fly!) I still remember my first day on the tools being sent to find a glass hammer, which of course would only work with a left-handed screwdriver but not at the same time, for obvious reasons
I’ve had the pleasure of working across residential, commercial and industrial sites during my career and have been on day rate and price work, undertaken both 12 hour day and night shifts, worked employed and self-employed and even pulled off a 265-day stint without a break between being on the tools for a firm and starting my own company.
Being an electrician hasn’t just been a job, it’s a passion and I still get my hands dirty most days of the week
But, I also know the toll this industry can take on our mental health with long hours, chasing invoices, impossible deadlines, unorganised clients and, when life gets
heavy, not having a place to turn to EAPs didn’t work for me, NHS waiting lists were too long and I didn’t feel comfortable going through charities I wanted support – real support – but struggled to find a single place that could give it to me in the way I needed
So now I’m on a new mission As well as being on the tools, I’m building a selffunded mental health platform for the construction industry – Onward Shift.
QYou'verecently introduced the Onward Shift concept to the market. Why have you introduced this and what is it designed to do?
Here’s the truth: a friend of mine told me to read Ikigai by Hector Garcia and Francesc Miralles. At first, I thought, “great, another self-help book” but I gave it a go and weirdly, it changed everything It helped me realise my purpose was to support people going through what I’d been through myself
The idea for Onward Shift came to me in May of last year. Originally it was just
going to be a notebook for journaling but since then, it’s evolved into something much bigger. Today, Onward Shift is a platform with 25 professionals who have deep experience in helping people battle through mental health struggles
We’ve got specialist coaches, counsellors, keynote speakers and even a podcast for sharing real stories – from lifechanging accidents and addiction to
illness and financial advice We also host walk-and-talk events in Colchester, run a check-in service via WhatsApp and publish blogs regularly And yes, we still sell that original notebook too!
QWhyis mental health provision such a personal subject to you?
Because I’ve struggled personally. A lot. It’s mentally quite hard to go back and re-live moments when answering these types of questions, but I’ll give it a go
I’ve got ADHD and OCD – two conditions that silently shaped my life until I was finally diagnosed in my mid-to-late 20s. I’ve lived through crushing anxiety. I remember days when I couldn’t get out of bed, didn’t shower and basically lived off Coco Pops There were nights I walked around at 2am just to calm my head
Eventually, I saw a private therapist for nine months, with weekly sessions that genuinely helped me through the darkest bits From there, I kept the therapy going and saw coaches and counsellors – from ADHD to nutritional specialists I realised that the more I talked, the easier it got to speak The quicker I sought help, the faster I recovered
Currently, I don’t see anyone professionally but if I ever needed to again, I’d do so in a heartbeat
QWhat barriers do you currently believe exist with other mental health services that may cause trade professionals to lose confidence in them?
Let’s look at the options:
● NHS: Waiting lists that can stretch past a year
● Employer Assistance Programmes: Often feel like box-ticking exercises. Not always trusted
● Charities: Amazing work, but there can be stigmas attached Some require forms and the support isn’t always immediate
● Private sector: Who can people trust? Is it legit? Are they even qualified?
Meanwhile, construction has a suicide rate that’s nearly four times higher than the national average That’s nearly three people every working day who take their own life just in the UK. We need a trusted space with no
red tape, no judgment and no long delays A lifeline people can actually reach for.
QHow
does Onward Shift work conceptually? Is it essentially a counselling service?
To simplify things, we ask individuals to look at Onward Shift as one place
One place where you can book a coach or counsellor, listen to a podcast, read a blog, talk to someone on WhatsApp, come on a wellbeing walk or hear a speaker who’s walked the walk
We’re not a faceless brand We’re human trusted, reliable and, most importantly, there’s no judgment.
QHow do trade professionals sign up to the service and what should they expect throughout the process?
It’s simple You head over to the Onward Shift website and see what service you’re interested in. To help with this process, I’ve written a blog for each service so that individuals can make an educated choice You then pick a specialist, ping us an email with your availability, and we’ll handle the rest
I’m also building a full online booking system, so eventually you won’t even need to send an email – just click, choose and go
QWhat do you hope to achieve in the short and long term with this service?
Short term: I want to normalise asking for help I want people to understand that it’s okay to reach out at any time – not just when you’re in crisis but before it gets to that point
Long term: I want Onward Shift to last Starting something is easy Keeping it going is the real challenge My goal is to build a platform that’s still helping the industry long after I’m gone
QDo you have any final messages for readers who may be dealing with issues in silence?
If you’re struggling, just remember that you’re not alone:
● 97% of construction workers report high levels of stress
● 91% have felt overwhelmed
● 87% have experienced anxiety
● 59% haven’t felt able to speak about it
Those stats aren’t just numbers, they’re people like you and me So if you need someone to talk to, but are not sure where to start, feel free to reach out After all, that’s what Onward Shift is here for
WIN THE ULTIMATE TRADE TOOL KIT
Unilite is giving one lucky reader the chance to win an amazing tool kit –worth nearly £450.
EWHAT CAN YOU WIN?
ASK
We’re giving away the Ultimate Trade Tool Kit, loaded with essentials that’ll keep you powered up, safe, organised, and ready for whatever the job throws your way It consists of:
● VETO TECH-MCT Special Ops (worth £222) – This is a seriously solid tool bag Rugged, reliable, and it's a brand new 2025 model too!
● SLR-1750 Work Light with Power Bank (worth up to £100) –Bright, built tough, and it’ll even charge your phone
● SG-YIO Safety Glasses (worth £20) – Protect your eyes in style and comfort
● MT5M4SL Self-locking Pocket Tape (worth £20) – Quick, reliable, and rock solid
● OP-2B set of 2 x Zip Pouches (worth £40) – Keep the little bits sorted and easy to grab
● Travel mug (worth £20) – Because trade professionals run on caffeine, right?!
That’s a total prize value of up to £435 RRP, and it could all be yours!
HOW TO ENTER
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I get asked this a lot: What’s the difference between Lithium Iron Phosphate (LiFePO4) and standard Lithium-Ion (Li-Ion) batteries? As someone who works in emergency lighting - and likes to keep things simple - I’ve come up with a little mantra to explain it: “ Live long, avoid explosions, and be nice .” Here’s what I mean:
e betw erenc s the diff ot: What’ tandar ePO4) and s e (LiF eries? As someone who een d gency lik orks in emer w e - I’v simpl xplain o e t Liv se’Her
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LiFePO4 batteries last 2,000–5,000 charge cycles, vastly outliving standard Li-Ion’s 500–1,000 cycles. They also maintain a stable voltage output, ensuring consistent emergency lighting performance, whereas Li-Ion batteries may experience voltage drops, compromising reliability.
AVOID EXPLOSIONS
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LiFePO4 batteries are far safer due to their stable chemistry, making them highly resistant to overheating or fire - critical for emergency lighting. In contrast, standard Li-Ion batteries have been linked to dangerous incidents, particularly in e-bikes and mobile phones. Numerous cases of Li-Ion batteries exploding or catching fire have made headlines, often due to poor manufacturing or improper charging. Electrical Safety First warns that faulty Li-Ion Batteries can overheat and trigger thermal runaway, leading to devastating fires.
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LiFePO4 batteries are more eco-friendly as they don’t contain cobalt, a resource often sourced unethically. Their extended lifespan also reduces waste. While they cost more upfront, their durability and minimal maintenance make them a costeffective choice long-term.
IT’S THAT SIMPLE!
ong-term. !
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If you’re choosing batteries for emergency lighting, LiFePO4 is the way to go. They last longer, perform better, and most importantly— they’re safer. And let’s be honest: if the other option occasionally explodes, do you really need a comparison?
JOHN FORD TECHNICAL TRAINING MANAGER
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THE CODEBREAKERS
ADAM HARDCASTLE: THIS WAS SPOT TED ON A RECENT JOB WHERE DO YOU EVEN BEGIN WITH THE PROBLEMS? IT ALSO HAD AN EIGHT SOCKE T RADIAL FED FROM ONE OF THE SOCKE TS ON THE DOWNSTAIRS RING, WITH AN AIR-CONDITIONING UNIT COMING OFF ONE OF THESE RADIAL SOCKE TS WIRED WITH 0 5 MM CABLE!
The objec t of periodic inspec tion and testing is to confirm the existing elec trical installation is safe for continued use, based on the assumption that the installation was compliant with the requirements of edition of BS 7671 in use at that time
The repor ted issue with a ring final circuit with an unfused spur supplying eight socket- outlets and an air- conditioning unit shows a disregard for the basic design considerations With the apparent age of the consumer unit, it is assumed that the additional eight socket- outlets were installed at a later date Whoever under took this work should have been aware of the requirements of ring final circuits
With regard to a 0 5 mm2 cable supplying an AC unit, there could be no doubt that this cable is undersized and would result in overloading problems
The use of a 40 A 100 mA RCD as a main switch would not offer any overload or additional protec tion for the elec trical installation, although obviously installed before the current consideration of BS 7671 with regard to the potential current that could be drawn through the main switch from the rating of the connec ted circuit-breakers of 74 A
Where a non- compatible circuit-breaker has been installed, this can cause operational issues within the consumer unit
The Observations, Regulation infringements and Codes applicable to this observation would be: A
Need help with cracking those all-impor tant EICR codes? Ever y month the technical team at NAPIT will be studying your latest ‘Caught on Camera’ photos and offering advice on the next steps, should you find a similar installation. If you want the team at NAPIT to help crack your codes then send your pic tures through to us at: pe@hamer ville.co.uk
Fo
b
ALAN JONES: REFURB – WET FLOOR, METAL STEP LADDERS, TAPED OFF BREAKERS, BUT I'M GLAD HE'S WEARING A HELMET. ANY GUESSES WHAT ‘IW ’ STANDS FOR? 'IDIOT WORKING' PERHAPS?
t e s t i n g o f a n e l e c t r i c a l i n s t a l l a t i o n , b u t i t wo u l d a t t r a c t a C 1
a s t h e re i s d a n g e r p re s e n t
B y e l e c t r i c a l c o n t r a c t o r s c o n t i n u i n g t o u n d e r t a k
I S
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fe a t u re a s yo u wo u l d n o t b e e x p e c t i n g t o c o m e a c ro s s t h i s
t y p e o f s i t u a t i o n w h e n c a r r y i n g o u t a p e r i o d i c i n s p e c t i o n a n d
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i s o l a t i o n t o p ro v i d e t h e m e s
The Observations, Regulation infringements and Codes applicable to this observation would be:
Not using correct safe isolation procedure EAWR C1
The A2:2022 18th Edition Codebreakers publication is priced at £22.00 (members) and £24.00 (non-members). It is available in both hard copy and digital versions * Price is VAT exempt and excludes postage and packaging.
BREAKING CAPACITY
In the third of a series of articles aimed at helping readers to gain a better understanding of three-phase supplies, Jake Green, Head of Technical Engagement at Scolmore Group, explores breaking capacity.
Except for the exception detailed in the second paragraph of Regulation 434 5 1, the rated short-circuit breaking capacity of each protective device shall not be less than the maximum prospective fault current at the point at which the device is installed
This article follows on from previous discussions on three-phase and differences between single-phase and three-phase fault current and considers the nature of fault currents at those positions where protective devices are installed
Fault currents
In the previous article we highlighted that fault currents fall into two categories:
● Earth fault currents, and
● Short-circuit currents (between live conductors)
❍ Line-neutral (single-phase)
❍ Line-line (two-phase)
❍ Line-line-line (Three-phase)
Care should be given as earth fault currents can be greater than short-circuits between live conductors
Rated breaking capacity
Amongst other things, all manufacturers will include the rated short-circuit capacity (I CS ) on the protective device. They will also make available, typically on their website, the technical specification of the device
Fig 1 from the Elucian range shows a triple-pole three-phase circuit-breaker having a rated short-circuit capacity (I CS ) of 10 kA. The same sort of detail will be included on single-pole devices.
The short-circuit current rating provides the designer/installer with the data necessary to ensure that they select a suitably rated device for the calculated/measured prospective fault current at the point of installation.
Equipment suitable for rated fault current
d i s t a n c e f r o m t h e i n s t a l l a t i o n a n d s i z e o f
c a b l e a r e f a c t o r s i n t h e m a x i m u m f a u l t
c u r r e n t a v a i l a b l e.
Regulation 434 5 1 requires that the rated short-circuit breaking capacity of each device shall be not less than the maximum prospective fault current at the point at which the device is installed
Consider Fig 2.
From Fig 2, at position ‘A’ it is normal for the fault current to be at its greatest value Normally this device is supplied by the DNO and consists of a HRC fuse of some type
Dependent on the length of cable between Position ‘A’ and Position ‘B’, the prospective fault current will fall by a certain amount. Irrespective of this reduction in fault current, the selection of protective devices should be such that they can withstand the likely fault current
At subsequent positions ‘C’ and ‘D’ it is likely that the prospective fault current will have fallen significantly due to the length of the sub-distribution cables It is likely at these positions that the prospective fault current will have fallen to a value below the
breaking capacity of the protective devices
However, the question arises: “What happens if the prospective fault current is greater than the rated short-circuit capacity of the protective device?”
Regulation 434 5 1 recognises this eventuality and permits a lower breaking capacity if another protective device having the necessary rated short-circuit breaking capacity is installed on the supply side.
Therefore, for example, if at Position ‘B’ the prospective fault current is 15 kA (Fig 2) and the protective devices have a rating of 10 kA, there is a clear mismatch However, if the intake device is a HRC fuse having a breaking capacity of 50 kA, an MCB having a breaking capacity of 10 kA may be installed (lower than the 15 kA) because the HRC fuse has sufficient breaking capacity (434 5 1)
Where this condition exists, a further check must be made to ensure that the characteristics of the devices are coordinated so that the energy let through (I 2 t) does not exceed that which can be withstood by the downstream device(s)
“Dependent on the length of cable between Position ‘A’ and Position ‘B’, the prospective fault current will fall by a certain amount.”
More in-depth information on this will be available as part of our ongoing series of Elucian three-phase articles
Conclusion
Dr. Zzeus
IN THIS REGULAR COLUMN, DR. TOM BROOKES, MD AT ZZEUS TRAINING AND CHAIRMAN OF THE FSA, ANSWERS YOUR QUESTIONS RELATED TO FIRE SAFETY. IN THIS MONTH’S EDITION HE TAKES A MORE DETAILED LOOK AT THE KEY CHANGES THAT HAVE NOW BEEN CONFIRMED WITH THE LATEST UPDATE TO BS 5839-1:2025.
D
t
T
s
Grey or white cable (including twin and earth) is no longer acceptable
Use the red cable only for all fire alarm mains supplies
F l e x i b l e m a i n t e n a n c e i n t e r v a l s . C l a u s e 4 3 . 2 .1
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r e c o m m e n d a t i o n s o f B S 5 8 3 9 - 1 m u s t b e c l e a r l y r e c o r d e d i n t h e f i r e a l a r m s y s t e m l o g b o o k , w i t h f u l l j u s t i f i c a t i o n . T h i s e n s u r e s t r a
: 1. No z on e c h a rt = n o n -c om p lia n t A zone chart is mandatory if a building has more than one zone on a floor, especially in places where people sleep No chart means no compliance, end of story
2 . N o lin k to A la rm Re c e iv in g Ce n tre ( A RC) i n ke y re s id en t ia l se tt in g s I f t h e s i t e i s : a ) S u p
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( A R C ) . Yo u c a n n o t s k i p t h i s a s a “ v a r i a t i o n ” a s i t d i r e c t l y r i s k s l i v e s I n t e r f a c e s a n d i s o l a t o r s m u s t b e
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t e s t a b l e. T h e y c a n n o l o n g e r b e h i d d e n i n l i f t c o n t r o l s , r i s e r s , o r b e h i n d c e i l i n g t i l e s
Re d u n d a n t d e v i c e s m u s t b e
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O l d o r d e c o m m i s s i o n e d c a l l p o i n t s , d e t e c t o r s , o r w i r i n g m u s t
n o t b e l e f t i n p l a c e o r s i m p l y
l a b e l l e d " o u t o f u s e " F u n c t i o n a l e a r t h m u s t b e m a r ke d p i n k . C l a u s e 2 8 . 2
W h e r e a f u n c t i o n a l e a r t h ( F E ) i s
u s e d , i t m u s t b e i d e n t i f i e d w i t h p i n k s l e e v i n g o r m a r k e d “ F E ” a s p e r B S 7 6 7 1 Ta b l e 5 1
S m o ke d e t e c t i o n i s n o w r e q u i r e d a t t h e t o p o f l i f t s h a f t s
“A zone chart is mandatory if a building has more than one zone on a floor, especially in places where people sleep. No chart means no compliance...”
m a r k e r t o w r i t e t h e b a t t e r y i n s t a l l
d a t e d i r e c t l y o n t o t h e b a t t e r y i t s e l f, a s a n a l t e r n a t i v e t o a l a b e l
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T h e C o m p e t e n t Pe r s o n c l a u s e h a s c h a n g e d
t o a p e r s o n s u i t a b l y t r a i n e d a n d q u a l i f i e d b y
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u p - t o - d a t e k n o w l e d g e o f s y s t e m t y p e s
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r i s k a r e a s C l a u s e 4 b 2 & C l a u s e 2 0 2 c
T h e d e f i n i t i o n o f L 2 h a s b e e n e x p a n d e d t o
i n c l u d e s l e e p i n g a r e a s i n d e s i g n s , i n a d d i t i o n
t o e s c a p e r o u t e s a n d h i g h - r i s k r o o m s
A d d i t i o n a l l y, h e a t d e t e c t o r s s h o u l d n o t b e
u s e d i n a r e a s w h e r e t h e p r o d u c t i o n o f s m o k e
c o u l d t h r e a t e n o c c u p a n t s b e f o r e i t i s l i k e l y t o
b e d e t e c t e d b y p e o p l e o r h e a t d e t e c t i o n
N o t e 3 e x p l a i n s : ‘ T h e s e r o o m s n o r m a l l y
i n c l u d e a l l r o o m s d e s i g n e d a s s l e e p i n g
a c c o m m o d a t i o n ’
EXTERNAL CONSUMER UNITS
Andrew Duffen, Technical Commercial Engineer at NAPIT, explores the practical and regulatory challenges of installing external consumer units, highlighting compliance requirements, environmental risks and safety considerations.
Installing a new circuit for Electric Vehicle Supply Equipment (EVSE) to an existing consumer unit may seem simple but could prove quite difficult in reality. For instance, the current unit might lack spare capacity, requiring an upgrade to a larger size or the installation of a separate consumer unit However, space constraints may complicate these solutions, requiring alternative approaches.
With many residential properties in the UK now having external meter cabinets, some installers may consider installing a consumer unit for EVSE inside these locations The Energy Networks Association (ENA), the body representing energy networks in the UK and Ireland, advises against this:
“While the meter cabinet is the customer’s, it is a space designed for electricity industry apparatus only. For safety reasons, we do not recommend installing any internal wiring, including a consumer unit, within the cabinet.”
NAPIT strongly discourages electrical contractors from using meter cabinets for additional equipment, as shown in Fig 1
What are external consumer units?
In the residential setting, external consumer units installed for electric vehicle (EV) charging points are becoming more common
With the race to achieve net-zero and the demand for electric vehicles, designers and installers are under increased pressure to install various renewable technologies such as heat pumps, Solar Photovoltaic (PV) and Electrical Energy Storage Systems (EESS)
External consumer units, also known as EV distribution boards or dedicated EV consumer units, are designed to handle the EV-specific needs, providing an
isolated circuit for an EVSE, see Fig 2
The installation of an external consumer unit is seen as a viable alternative, where they are generally installed adjacent to the meter cabinet as displayed in Fig 3.
Key design and installation considerations
External consumer units installed in residential settings must meet the BS EN 61439 series Standards, specifically BS EN 61439-3, which covers low-voltage switchgear and control gear assemblies for distribution boards designed for operation by non-specialised individuals (DBOs)
Proper design and installation are critical Poorly installed units could result in non-compliances with BS 7671 Standards and Electricity at Work Regulations, leading to safety hazards
(e g coastal air with high salt levels)
● Condensation risks
2) Safety measures:
● Protect against tampering and unauthorised access
● Ensure circuit ratings align with BS EN 61439-3 Standards
Further considerations are safety and security, as an external consumer unit is typically installed in locations where the owner or tenant cannot control access; it is essential to implement measures to prevent unauthorised access to the unit, see Fig 4
Environmental risks
1) Environmental factors:
● Weather conditions, temperature
fluctuations and sun exposure
● Corrosive and pollutive elements
Even with IP-rated enclosures, external consumer units face exposure to environmental risks, including water ingress, temperature changes and condensation These factors can reduce performance and lifespan of some components, making regular inspections essential
Fig 1: Cabinets with multiple electrical equipment installed are strongly discouraged
Fig 2: Example of an external EV consumer unit
Strong winds and heavy rain are becoming more common in the UK, and these can breach the most robust of seals Condensation will also pose a problem with these external consumer units, by affecting the creepage and clearance distance factors of the installed devices
The condensation arising inside the external consumer unit, would eventually cause corrosion to the metallic parts An example of this is shown in Fig 5. Modifying external consumer units to address such risks is not recommended unless the installer takes full responsibility for compliance of the altered units
Further considerations
Electricians performing Electrical Installation Condition Reports (EICRs) will encounter various enclosures
It is essential to distinguish between enclosures that have been pre-assembled by the manufacturer and those that may
have been put together independently using empty enclosures and individual devices This distinction is crucial because the rated current of a manufacturer-confirmed assembly may differ from the marked ratings on the individual devices
Additionally, different devices can have varying heating effects Therefore, it is essential that a manufacturer has confirmed the assembly meets the Standards set by BS EN 61439-3.
A potential issue with external consumer units is that they may not be inspected and tested at appropriate intervals This can result in a failure of the ingress protection rating, due to wear and tear or damage
Over time, this could cause the metallic enclosure to deteriorate, increasing the risk of electric shocks to users Regular maintenance and testing are essential to ensure safety compliance with safety Standards
Growing pressures
The EVSE market is highly competitive, and designers and installers face growing pressure to meet net-zero demands while keeping installation costs competitive
However, when installing external CUs, it’s crucial to consider potential environmental factors, such as direct sunlight, which can heat the unit beyond what the manufacturer verified. To ensure the declared IP rating is met, installers should follow best practices such as:
● Bottom entry for suitable glands
● Ensure the unit is mounted flat and level and secure fixed
● Apply appropriate sealants
Adding an additional enclosure can provide extra protection against weather conditions and impacts, and enhancing safety for end users, especially when operating protective devices in wet environments.
It’s important to note that the supplier’s cut-out (fuse) offers limited protection against risks such as electric shock, impact damage and condensation These factors are particularly crucial to consider
Conclusion
NAPIT would consider the installation of external consumer units as the last resort, only considered after exploring all other design options While cost considerations often drive decisions, safety and compliance must remain the top priorities in any installation.
This article aims to highlight the key factors to consider when installing an external consumer unit, ensuring both safety and compliance are at the forefront of design and installation
Fig 4: It is essential to secure the EV consumer unit to prevent unauthorised access
Fig 5: Condensation forming inside an external consumer unit cabinet
Fig 3: Residential property showing an EV charging point connected to an external consumer unit, both are located alongside the electrical cabinet
WHAT IS CORRIDOR FUNCTION?
“Why are these lights always on?!” It’s a familiar complaint –usually from the person footing the energy bill. They’ll mutter it under their breath while passive-aggressively marching around switching lights off, hoping someone takes the hint But in some spaces, lights can’t just be off Whether it’s for safety, security, or peace of mind, a simple on/off setup just doesn’t cut it. That’s exactly where the nifty corridor function comes into its own
What is ‘corridor function’?
Corridor function – sometimes referred to as three-step dimming – is a feature that allows light sources to automatically adjust light levels based on occupancy. It works by combining a sensor with a built-in dimming function in the light source
Microwave sensors for corridor function
Microwave sensors are ideal for corridor function, offering wide coverage and high sensitivity They work by emitting high-frequency waves and detecting changes in the reflected signal to sense motion – even through glass, doors, or around corners. This makes them perfect for longer corridors, enclosed areas, or spaces with obstructions
For example, ROBUS’s HARBOUR EXPRESS LED corrosion-proof fitting has a plug-in microwave sensor accessory featuring three-step dimming and on/off functionality to deliver great energy savings.
Energy savings, better safety and longer-lasting
So, what are the benefits? Firstly, corridor function cuts energy use by dimming or switching off lights when no one’s around,
The experts at ROBUS explain what ‘corridor function’ is, how it works and why it can be used to slash your customers’ energy use.
saving up to 60% compared to always-on lighting But it doesn’t leave people in the dark! Low-level background lighting stays on, keeping spaces like stairwells and walkways safe and comfortable
With the corridor function, the light sources aren’t blasting full power all the time, therefore they last longer which means fewer callouts and replacements
Working on a project with compliance boxes to tick? Corridor function helps meet building safety standards, especially for communal areas where lighting can’t just go off.
Where should corridor function be applied?
There are many use cases for the corridor function in residential, commercial, and industrial settings Here are just a few examples to give you an idea:
Stairwells in apartment blocks and landlord areas
Lighting stays dim when empty but brightens instantly when someone enters, keeping residents safe without wasting energy
Safety in care homes
Supports responsive and safe care. Ideal for night-time checks, giving carers just enough light without disturbing sleeping residents, while also reducing the risk of trips and falls,
School corridors after hours
Provides low-level lighting for cleaners and caretakers, then switches off completely overnight to save energy
Underground car parks
Maintains a safe, well-lit feel with standby dimming, while cutting power use when no vehicles or people are present
How to install a corridor function
Corridor function is either built into the light source already or, where compatible, can be added as an accessory
For example, with ROBUS’s new SPEEDBEAM EXPRESS LED batten range, the modular design allows you to simply plug-in the microwave sensor accessory, which features both on/off switch and corridor function
Settings like brightness levels, time delays, and fade times are usually adjustable via DIP switches or a dial rotary. SPEEDBEAM EXPRESS has gone with a dip switch design for reliable, tamper-resistant control that's easy to
replicate across multiple light sources
Once set, the switches stay fixed, unlike dials, which can be accidentally knocked or misaligned during installation or maintenance. DIP switches also allow for clear, consistent configuration, making them ideal for large projects where uniformity is key
Take control of corridor lighting
Corridor function is a simple yet powerful way to boost energy efficiency, enhance safety, and extend the life of light sources without overcomplicating the installation Whether you're working on an apartment block, car park, or school hallway, it’s a feature that ticks all the boxes
BROWSE OR DOWNLOAD THE 2025 ROBUS LIGHTING CATALOGUE AT:
THE EFFECTS OF HARMONICS IN ELECTRICAL INSTALLATIONS
The requirements of BS 7671 include several regulations relating to harmonic currents present in an electrical installation. This article from the experts at NICEIC describes what harmonic currents are, the type of electrical loads that create them, the effect they have on the root mean square (rms) value of current and the impact they have upon the electrical system.
Sources of harmonic currents
● Linear loads – such as resistive heating, wire-wound transformers and electric motors,
● Non-linear loads – such as variable frequency drives (VFD), some discharge lighting, LED drivers, uninterruptible power supplies (UPS) and switch mode power supplies
The non-linear loads are responsible for creating distortion of the supply AC waveform. Fig 1 shows an example of a typical arrangement of linear and non-linear loads connected within a large installation
The summation of all the harmonic
currents appearing on the network via the common busbar (see Fig 1) can lead to a number of unwanted effects causing interference both on the supply and within the installation, including:
● overheating of windings in, motors, transformers and chokes due to increased iron losses,
● additional current causing overloading of the neutral conductor in three-phase circuits due to triplen harmonics,
● unexpected operation of circuit-breakers and RCDs,
● premature failure of power factor correction capacitors due to increased stressing,
● rectifier type instruments failing to indicate true rms values, and
● the increased risk of damage and interference with communication circuits and equipment
What are harmonics?
To understand the causes of harmonics we first need to consider the current flowing in AC systems.
If we connect a resistive (linear) load to a supply having a sinusoidal voltage waveform then the resultant current will be a sine wave in phase with the voltage (see Fig 2(b)).
However, even though a load is connected to a sinusoidal voltage, the resultant current sine wave is not necessarily sinusoidal In practice many of the commonly used loads, as previously mentioned, generally include electronics and have a non-linear current/voltage relationship and therefore take a non-sinusoidal current from the supply.
An example of this is a 230 V AC source used to supply a large current load via a bridge rectifier and a large inductive filter connected in series with the load (see Fig 3(a)) The bridge rectifier would typically invert the negative half cycles of the input voltage.
While the inductive filter will offer a high resistance to the AC component after rectification and will therefore oppose any of the remaining AC ripple in the load current to produce a smooth DC current1 If the ratio of inductance to resistance (L/R) on the DC side of the rectifier is very large, the current taken from the supply forms a rectangular wave and is in phase with the supply voltage, as shown in Fig 3(b)
Although the example shown in Fig 3 is somewhat exaggerated, it is convenient to use this rectangular current waveform methodology as a basis for discussion
Harmonic currents may be considered as sinusoidal currents operating at different frequencies and subsequently with a reduction in magnitude
When combined they construct a distorted non-sinusoidal and complex waveform such as that representing for example a rectangle, triangle or saw-tooth Such complex waveforms consist of whole
multiples of the fundamental frequency at which the supply system is designed to operate
For example, for a typical fundamental frequency of 50 Hz, then the 3rd harmonic will be at 150 Hz, the 5th will be at 250 Hz, and so on
Note: This article only considers odd numbered harmonics, as even numbered harmonics such as the 2nd at 100 Hz, the 4th at 200 Hz and so on, are generally rare in AC circuits However, where they do exist there is a minimum effect as the harmonic’s ‘swing’ equally in both the positive and negative cycles and in effect cancel out.
Fig 4 shows the effect the presence of harmonics has on the fundamental sine wave The complex distorted wave shown is the sum of all the sine waves from the fundamental up to the 9th harmonic
The resultant complex waveform may be considered as electromagnetic interference (EMI) created by such non-linear loads Section 444 of BS 7671 provides the requirements and recommendations to enable the avoidance and reduction of such electromagnetic disturbances that may otherwise lead to disturbances in information communication and technology (ICT) systems, or cause damage to sensitive
electronic equipment
Effects of harmonic currents
Whenever non-linear loads are connected, circulating harmonic currents are produced increasing the overall rms value
The resultant circuit rms current, as shown in Fig 4, can be found using: Where: is the rms value of current at the various harmonic frequencies
A mathematical technique known as Fourier analysis, although outside the scope of this article, can be applied to an electrical network which allows a regular repetitive waveform to be broken down into its constituent harmonics
However, for convenience and accurate measurement of neutral currents, power quality analysing equipment may be used to determine the impact of harmonic content within an installation
It can be shown using such analysis that a rectangular wave (see Fig 3(b)) is made up of a sine wave at the fundamental frequency plus a series of odd harmonics, consisting of the 3rd, 5th, 7th, 9th, and so on, and conversely, with a reduction in amplitudes of 1/3 times that of the fundamental for the 3rd harmonic, and
F i g 3 ( a ) Current and voltage in an AC circuit supplying a load via a bridge rectifier and inductive filter
F i g 3 ( b) Due to the large inductance, the current waveform is rectangular even though the voltage is a sine wave
1/5 times for the 5th harmonic, and so on Fig 5 shows the situation where the resultant green waveform is derived from a 3rd harmonic (yellow) with an amplitude of 1/3 of the fundamental added to the fundamental waveform (grey)
As shown in Fig 6, adding further harmonics, the red waveform is derived from the 5th (purple), 7th (orange) and 9th
(light blue) waveforms As such, the red complex wave is approaching the shape of a rectangular waveform, as shown previously in Fig 3(b).
Adding an increased number of odd harmonics in accordance with the above series strategy would produce an infinitely closer approximation to that of the rectangular wave as seen in Fig 3(b)
Note: the higher the order of a harmonic the smaller its influence Once we approach the 25th harmonic the subsequent effects become insignificant in electrical systems
Summary
This article discussed harmonic currents, what they are, and the types of electrical loads that create them Also considered was the summation of harmonics, the effect on the current rms value and the consequences upon the electrical system within an installation.
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F i g 6 The effect of adding the 3rd, 5th, 7th and 9th harmonics to the fundamental
ELEX 2025
CONTINUE YO UR P ROF E S SION A L DEVELOPMENT AT ELE X SHOW!
Taking place across two days at the CBS Arena in Coventry, the ELEX tour hits the road again in September. What’s more, we’ve got great news for visitors that are serious about CPD!
Recent changes to The Electrotechnical Assessment
Specification (EAS) which sets out the minimum requirements for a business to be recognised as technically competent by a Certification or Registration Body, includes a requirement for businesses to maintain appropriate records of qualifications, training (including Continuing Professional Development) and experience
To support this requirement, EVERY ELEX seminar is now CPD accredited, ensuring those individuals who make the time and effort to attend will receive a direct certificate of completion, which can
form a key part of your ongoing Continuing Professional Development record.
With industry regulation and legislation changing constantly, the extensive ELEX seminar programme will cover an array of topics, including the latest Amendment 2 to the 18th Edition and the changes this covers, along with best practice and technical advice for professionals to get stuck into Presentations will be delivered by experts in their field and the only cost to delegates is their time.
All seminars will take place in the IET Seminar Theatre located centrally in the exhibition hall and there’s no need for delegates to pre-book, just pre-register to attend the show
Whether you need some advice on the direction the sector is heading, want to chat with manufacturers about their latest solutions, view live demonstrations of the latest products or bag yourself a great
YOUR S H OW, NEA R YO U. . .
● At a venue near you
● Across two days
● Free parking (van friendly)
● Free entry
● Free T-Shirt & a free bacon roll* (*limited to first 1,000 visitors)
● Show bargains
● Hands-on demos
● Meet manufacturers
● Networking opportunities
● CPD accredited seminars and certificates
show deal on tools and equipment from leading brands, your regional ELEX tradeshow has it all
The next stop on the ELEX 2025 tour takes place in September at the CBS Arena in Coventry – 11th/12th September, 10am - 4pm
Working on your own? Need some technical advice? Don’t know where to turn? Ask Megger What it doesn’t know about installing and testing electrical systems isn’t worth knowing Every question will be answered by the Megger Technical Team, and the best will be published in Professional Electrician So, take advantage of the ‘ every question answered’ guarantee today Email your questions to: meggermeasures@hamerville.co.uk
You ask:
THERE’S A LOT OF INTEREST IN RENEWABLE ENERGY IN MY AREA AND I’D LIKE TO GET INTO THE INSTALLATION AND MAINTENANCE OF SOLAR PV SYSTEMS. WHAT ADDITIONAL TEST EQUIPMENT DO YOU RECOMMEND?
Megger says:
The two main items you ’ re going to need are a meter capable of measuring high AC and DC voltages and currents, and an irradiance meter to help you position the solar panels You’ll need PV test leads and connectors, and a thermocouple probe for checking panel temperatures You can buy all the items separately, but an easier option is to get the PVK350 photovoltaic kit from Megger, which provides everything you need in a robust and convenient carrying case The kit includes a DCM1500S solar clamp meter that measures up to 2,000 V DC (when used with PVHV leads) and 1,500 V AC It also measures DC and AC current up to 1,500 A, along with resistance and frequency Use it with the Megger Link App and you can monitor measured values remotely The kit also includes a PVM210 combined solar detector and irradiance meter designed for use with one hand – ideal when you ’ re working at height You’ll also get PVHV1 and PVHV2 test leads, a PV connector adaptor lead set and a thermocouple probe For PV installation and maintenance, this kit will meet all your measurement needs
Pete (Monty) Monfort, Director of Arena Training Centre and Monty Electrics, reviews the Megger MPCC230 Circuit Checker.
Megger has been on a roll with new product releases lately, so it was with a decent level of anticipation that the MPCC230 Circuit Checker arrived on my desk one morning
Nicely packaged, unearthing the unit felt more like opening some jewellery thanks to its compact size and equally attractive zipped bag into which it is nestled safely
In a nutshell, the product is a compact socket tester and circuit checker, aimed at making life easier for those carrying out routine maintenance or inspection work. It can check for:
● Correct wiring polarity of a socket,
● No trip earth loop impedance,
● Prospective earth fault current and touch voltages,
● Protective RCD trip times (Type A AC and F),
● Mains voltage,
● Frequency,
● Harmonic distortion up to the 50th and total harmonic distortion
It is powered via the mains and stores enough charge to allow the device to operate when power is removed during some tests The socket can even be removed if placed in an awkward position, functioning for up to 45 seconds
The unit has four user buttons. The ‘func’ button selects the tests and F1 and
F2 are for different sub options. The red button then initiates the test
Voltage test
Plug it in and select ‘voltage’ This then provides voltage, frequency and an indication if the polarity is correct Wiring errors are clearly shown with a red bar and an audible alarm
RCD test
Measured trip times for x½, x1, x5 and touch voltages are displayed Green bars indicate passes and red bars appear if touch voltages or trip times are exceeded. An auto test also carries out all the tests, displaying the results in a table
Loop test
In this mode you can test the line to earth impedance, prospective earth fault current and touch voltage with the test using a 15 mA test current which should limit RCDs from tripping Where circuits suffer from leakage current a lower 6 mA test current is available
Harmonic
voltages
This function checks the quality of the line voltage with regard to harmonics It can measure total harmonic distortion as well as individual harmonics up to the 50th
If you’re new to harmonics, here’s a quick summary:
UK power is supplied at 50 Hz. Non-linear loads such as rectifiers,
“A NIFT Y BIT OF KIT”
discharge lighting or saturated electric machines create harmonic frequencies which are multiples of the fundamental frequency They’re associated with problems such as flickering lights, tripped breakers and overheated transformers
The state of a system can be expressed in a number of ways with the first measurement being total harmonic distortion or THD This provides a measure of all of the harmonics A limit of 8% is generally acceptable with values above requiring more detailed investigation
Looking at multiples normally shows the greatest values on the 5th and 3rd harmonics with the 7th also often contributing These are usually generated by switched mode power supplies The image (pictured, top right) shows the harmonics measured at Arena Training Centre which has a variety of computer equipment running with these types of power supply
Conclusion
The MPCC230 is a nifty bit of kit Small enough to carry in your tool bag, it offers an easy way to carry out quick checks on equipment being repaired or replaced, where a full test at the board is perhaps not appropriate or permitted
In this real-life case study example, Julian Grant, General Manager at Chauvin Arnoux UK, looks at how effective power logging has helped to slash energy use at a major fresh fruit processor by 50%.
WATT A TURNAROUND
Even before the recent surge in energy prices, many businesses had the potential to slash their energy bills, often significantly, just by taking a closer look at how they were using power
By analysing their energy consumption and spotting areas for improvement, companies could uncover simple, cost-effective ways to boost efficiency.
One major fresh fruit processor did exactly that, and the results were impressive: it managed to cut its energy costs by 50%
Let’s take a look at how it was achieved:
While the fruit processor was not aware of any specific energy-related issues, it did recognise the value in identifying the major energy consumers within the factory and exploring opportunities for energy savings and efficiency improvements.
The first step was to engage Smart Energy Solutions NI, an expert in energy efficiency, to inspect the production processes and, where possible, take manual readings from panel meters to provide an indication of energy usage
Discussions were also held with the Operations Manager at the factory to
determine which items of equipment were most likely to be consuming more energy
The data collected was used to design a real-time, cloud-based monitoring solution for key circuits This allowed energy reduction efforts to be precisely focused on the areas with the greatest potential for savings
Continuous monitoring enables quick and reliable assessment of energy efficiency measures taken, while also allowing their long-term performance to be verified months, or even years, after implementation
As part of the initial steps in the project, Chauvin Arnoux three-phase power and energy loggers (PELs) were installed on the plant’s main power-consuming equipment
Interesting and alarming results
Almost right away, the data revealed something both interesting and alarming: the refrigeration system for the main cold store was running non-stop, racking up an energy bill of around £650 per week based on the energy prices at the time.
When the cold store service
provider was called in to investigate, it discovered the system had been set to manual override likely a result of some earlier issue with the control system.
A new control system was installed for the cold store, featuring an energy-efficient variable speed drive for the compressor
Following the upgrade, energy performance was carefully monitored, and the results spoke for themselves. Energy usage dropped by more than half, cutting costs down to just £300 per week
Smart thinking
Smart Energy Solutions subsequently installed a full energy monitoring system, covering the incoming main supply, two cold stores, a deep chill store, three production lines, and two compressors
The firm carried out all aspects of the work, including network cabling, IT configuration, cabling to the mains cable chamber, hard-wiring the current
transformer connections, and providing a three-phase reference supply
This work led to the installation of a 288 kVA voltage optimisation system, sized specifically to allow headroom for future expansion of the plant Savings from this measure alone were predicted to be around 6% of the energy bills, which meant, even with the constantly rising energy prices, the voltage
optimisation system could recover its costs in under three years
With all the energy-saving measures in place, especially the new control system for the main cold store, the fruit processing plant cut energy bills by a remarkable 50%
Could other businesses achieve similar results? Absolutely But without accurate and reliable power and energy monitoring solutions such as the PEL113, those opportunities remain unexplored.
So, ask yourself: could a small investment in understanding energy usage unlock big savings for customers and clients? The answer could be the key to reducing their energy usage and costs
BROWSE CHAUVIN ARNOUX’S RANGE OF PEL POWER AND ENERGY LOGGING DEVICES BY VISITING:
The PEL113 is an upgraded three-phase power and energy logger that replaced the PEL103, used for this case study
THE TIMES THEY’VE BEEN CHANGING
Returning to the test and measurement section after a break of eighteen months has been a most illuminating experience.
In that time it would appear that most/all of the major manufacturers have introduced the ability to update their premium instrument’s firmware in the field rather than by specialists at calibration time, having told everyone it was impossible for many years To its continued credit, Metrel remains one of the only companies to offer updating for all testers – not just the most expensive
Another shift has seen more manufacturers including help screens, which are now being built into top-end testers It’s the same story with an SPD test, which Metrel machines have incorporated for twenty years
Field firmware updating allows manufacturers to respond to changes in the Regulations or introduce new tests should the need arise, giving you – the
customer – better value from your investment in a test machine
Adapter and overcome
A perfect example was the introduction of EVSE testing Metrel updated its tester
firmware free of charge to include an EVSE test protocol for those testers that
A lot can change with the test and measurement landscape in a short period of time, as Metrel’s Mark Johnson can testify. Here he shares his thoughts after returning to the industry following a near two-year break.
had the hardware capability
At the same time an adapter was introduced which could test the functionality of the charger and gave access to the electrical supply system for testing at a cost in the region The adapter’s cost-effectiveness was ground-breaking at a time when some other companies were expecting end users to pay premium sums for a new tester with the same functionality
At Metrel we see these types of adapters as the future At the end of the day, if your tester is working well why spend more for another screen, processor, plastics etc when you can use it as the interface and save your results to the memory?
The latest update to the MI3152 multi-function tester allows the unit, with the addition of an adapter, to transform itself into a precision high current earth loop impedance tester, operating up to 300 A.
Earth resistivity testing is not an everyday activity for most contractors, so it makes sense that they might not want to
pay for the functionality. But if you need to measure specific earth resistance for the design of a grounding system, it is reassuring to know you just need to buy a Ro-adapter rather than purchase another complete test set
More commonly, ring final circuit testing can be made quicker and transformed into a one-man job using Metrel’s unique ring continuity adapter (A2214) Firmware
upgrades are available for the MI 3100, MI 3125 adding to their longevity, as well as the touch-screen MI 3152 and MI 3155
The test leads and adapters are nulled, a process that is carried out only once until clips or test-leads are changed Then end to end continuities, r1, r2, rN, are measured with the leads clipped to the circuit in-comer and out-goer All three results are displayed simultaneously, and can be saved The adapter is left at the consumer unit where it will make the connections required while you test around the ring.
The calculated values of (r1+r2)/4 and (r1+rN)/4 are displayed while R1+R2 and R1+RN measured and displayed for each
outlet, retaining the highest value. The adapter and tester communicate via the conductors making the appropriate connections at the right time
Common themes
Another change is that domestic 3-phase supplies have become more common. To facilitate their testing, the 3-phase active switch (A1507) is an adapter that automates testing, making it faster and keeping you safe
You make the connections to the installation under test once The switch is then controlled by either of our touch-screen testers, making and breaking connections as required and running through a suite of measurements – all under your expert supervision from a safe distance
BROWSE METREL’S FULL RANGE OF TEST AND MEASUREMENT EQUIPMENT BY VISITING:
tester MI3155
“THE APPRENTICES LOVED IT”
In his second product review outing of the month, Pete (Monty) Monfort, Director of Arena Training Centre and Monty Electrics (with a little help from his students), gives his thoughts on the Martindale ET6300.
Th e latest addition to Arena Training Centre’s Inspection & Testing facility certainly stands out as it is unveiled A few moments later, a bright yellow Martindale ET6300 is pounced upon by a group of eager JTL apprentices
The unit feels robust and has two large, rubberised end caps that make gripping it easy and will certainly protect it from bumps and scrapes
It incorporates soft buttons and a simple dial which allows quick selection of the multitude of tests available, including all the usual tests you would associate with a quality MFT as well as being EV compatible, having a full suite of RCD tests and the ability to test phase sequence
Its versatility and two-year warranty, matched with a more than reasonable price point, makes it a serious competitor against much more expensive units
Product overview
The display is full colour and backlit which makes it is easy to read, even in a dingy switch room, and the help button brings up clear description images if you’re not sure what leads to use
In the training room apprentices were able to navigate the range of test settings
relatively easily and managed to suss out the controls without having to resort to the manual which is always a good sign that the interface is well thought-out Setting up the date, time and personalising the tester was easy to do using the arrow buttons and selector key
Let’s take a look at some of the ET6300’s stand-out features and functionality:
Rechargeable batteries
The unit can be plugged in and recharged, saving the palaver of loose batteries in your test bag If you do run out of juice, however, you can easily swap the rechargeable batteries for normal ones if you desire
RCD tests
The unit tests all types of RCD including A, AC, B, B+, F, G and S types
EV testing
With the use of the TLS326 EV Electric Vehicle Charge Test Adaptor it was possible to test all three of our EV charging units Including a full suite of tests specifically for EV, it simulates CP errors, charging status tests and provides an interface to test continuity and RCD functionality.
Phase Sequence Tester
It was nice to see this function included and the sequence was displayed numerically on the screen
Conclusion
Both myself and the apprentices are in full agreement that this is a cracking bit of kit, which is pitched at the right price The help screen, in particular, is really useful and will assist even novice users with getting started
Amusingly, as I sat back and watched them unbox the new tester, it took them longer to work out how to attach the neck strap and buckles than it did to fathom all of the testing functionality, which by comparison was a breeze
POWER MEETS PRECISION
Following the launch of the ALVA Series MFT, Dave Sweetman, Marketing & Business Development Director at DI-LOG, explains why intelligence, innovation, accuracy and unrivalled support for professionals has been at the forefront of its development.
Electrical professionals demand precision, reliability, and efficiency in every aspect of their work Our new ALVA Series Multifunction Tester is designed to deliver exactly that –combining next-generation testing technology with intuitive usability and an industry-first support package for complete peace of mind
Designed for 18th Edition compliance, the ALVA MFT, ALVA MFT Pro, and ALVA MFT Pro EV offer advanced testing capabilities, setting a new benchmark in electrical safety, EV charge point verification, and site assessments.
ALVA Series MFT –Next-generation testing and performance
types, including AC, A, EV, B, B+, F & Selective, ensuring compatibility with modern installations Meanwhile, the Auto Start Intelligent Loop system automatically detects 2/3-wire connections when testing on High Current, along with the Auto Start 200 mA Earth Continuity testing for quicker, hassle-free results
ALVA MFT Pro – Advanced functionality with EV Auto EVSE verification
Taking performance to the next level, the ALVA MFT Pro provides deep diagnostic capabilities with Rmax (R1/R1+R2), Zmax (Zs), and Imax (PSC on three-phase supply), offering enhanced fault detection and compliance checks
The ALVA Series MFT introduces a full-colour TFT display with an intuitive ALVA UI (user interface), enhancing readability and usability This ensures clearer results, pass/fail indicators, and on-screen guidance for seamless testing experiences.
Full range RCD support covers multiple
To keep you going, the NiMH rechargeable battery system with built-in charging eliminates downtime, letting you charge on the go EVSE testing is a standard feature on the ALVA MFT, featuring built-in 6 mA RDC-MD/PD verification, ensuring EV charge points meet critical safety standards.
Designed for EV installers, the EV Auto tion feature streamlines e point testing, integrating Non-Trip Earth Loop, 6 mA RDC-MD/PD, and 30 mA AC tests, ensuring fast and reliable EV charger assessments. With USB connectivity, professionals can document, store, and view test results results memory storage supports professional installation certification, ensuring easy retrieval of past test data
Additionally, the ALVA MFT Pro can measure Earth Resistance using the optional 3 or 4-pole Earth Resistance accessory kit, making it ideal for comprehensive site assessments.
ALVA MFT Pro EV – The ultimate EV testing solution kit
With electric vehicle adoption accelerating, EV charge point testing has never been more critical The ALVA MFT Pro EV is specifically designed with the addition of EVSE verification, simplifying compliance with the latest regulations
Its automated EVSE verification sequence integrates Non-Trip Earth Loop, 6 mA RDC-MD/PD, and 30 mA AC tests, providing comprehensive charger safety assessments in one seamless operation. Most importantly, the EV Auto EVSE function is only used with an EVSE adaptor like the DLEV1, included exclusively in the ALVA MFT Pro EV, ensuring optimal performance and compliance
For professionals working with EV installations, the ALVA MFT Pro EV ensures quick, thorough, and efficient testing, making it a must-have tool in modern electrical testing.
Unlock unmatched support
In what is a genuine industry first, we’ve introduced the ALVA Support package – an exclusive long-term service plan designed to give electrical professionals confidence in their inspection and testing process
With up to five years of coverage, users benefit from support, calibration, and accidental damage protection, ensuring their ALVA MFT remains in peak condition
✔ ALVA CALIBRATION – Annual five-year calibration, including a full product service and firmware updates 72-hour turnaround for fast return
✔ ALVA WARRANTY – Five-year parts and labour warranty, ensuring coverage for any faults or defects
✔ ALVA TEST LEADS – Replacement 3-wire test leads sent automatically in years 2 and 4, maintaining peak accuracy.
✔ ALVA ACCIDENT – Fixed accidental damage fee of £149.00 +VAT, keeping you operational, even if mistakes happen
Customers can choose between a one-off payment or a flexible 10-month instalment plan, ensuring no surprises, no hidden costs, and complete peace of mind.
With its unmatched testing capability and industry-first support package, the ALVA Series MFT redefines reliability, precision, and efficiency in electrical testing
Check out our advert on pages 16 and 17 in this issue and upgrade your testing experience today
TIS TESTER CAN HELP DETECT DANGEROUS VOLTAGES T
est Instrument Solutions (TIS) has announced the launch of the new TIS 810 single-pole contact voltage tester Diverted neutral current, also known as neutral current diversion (NCD), occurs when the neutral conductor, typically the PEN conductor in a TN-C system, fails or is broken, causing the current to be re-routed through alternative paths, such as metallic structures like pipes and other exposed metalwork. This can lead to electrical safety hazards and potentially affect other installations
A quick and easy detection method
There are various ways of detecting diverted neutral currents and one quick and easy method is to use a single-pole contact voltage tester like the TIS 810.
The advantage that a single-pole voltage tester has over a two-pole voltage tester in diverted neutral situations, is that a two-pole version relies on two points of contact Therefore if those points are at the same voltage potential, the two-pole instrument would indicate zero voltage, when actually the exposed metalwork could be at a dangerous level.
Since a single-pole voltage tester needs only one point of contact and the relation to Earth is via the user, then this type of instrument is fast, reliable, cost-effective and convenient for detecting dangerous voltages which should not be present, caused by diverted neutral currents due to PEN faults
Key ALVA support benefits:
Mark Kimberley, Residential Market Manager at Hager UK, identifies some of the frequently asked questions that are springing up in relation to the correct protection for heat pump installations.
HOT TOPICS
QWhat distinguishes the Hager Type B HP from a standard Type B RCCB?
T h e H a g e r Ty p e B H P i s o p t i m i s e d
f o r h i g h - f r e q u e n c y l e a k a g e c u r r e n t s
o f t e n p r e s e n t i n h e a t p u m p i n v e r t e r
t e c h n o l o g y I t e n s u r e s t r i p p i n g a t
1 5 0 m A a b o v e 1 k H z a n d
f u n c t i o n a l i t y w i t h f r e q u e n c i e s
g r e a t e r t h a n 2 0 k H z St a n d a r d Ty p e
B R C D s m a y n o t p e r f o r m e f f e c t i v e l y i n h e a t p u m p a p p l i c a t i o n s
QDoes
BS 7671 specify special requirements for heat pumps?
No, heat pumps are not classified as a special installation within BS 7671 However, Regulation 134 1 1 requires good workmanship and proper materials shall be used.
The installation of electrical equipment shall take account of manufacturers’ instructions
QCan
I omit an RCD from heat pump installations, if I use a wiring method that does not require additional protection by 30 mA RCD? This is not recommended and goes against the guidance detailed in the safety standard: BS EN IEC 60335-240:2023+A11:2023 “Household and similar electrical appliances – Safety –Part 2-40: Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers”
This standard, that includes heat pump installations, states that the use of an RCD not exceeding 30 mA is advisable.
QCan
I use a B+ RCD instead of the Hager Type B HP?
No, Type B+ is a German VDE standard and not recognised by BS 7671
QCan
I install the Hager Type B HP RCCB in a consumer unit with devices from other manufacturers?
No. According to Regulation 536.4.203 of BS 7671, mixing protective devices from different manufacturers within a consumer unit is not permitted unless the manufacturer declares compatibility Hager consumer units must be populated with Hager devices to ensure safety and compliance.
QCan
I feed a Hager Type B HP
RCCB from a Type A or AC RCD in a split-load consumer unit?
No This violates RCD coordination principles A Type B RCD must not be downstream of a Type A or AC RCD Residual DC leakage could also cause the upstream Type AC RCD to become blinded, malfunction or fail to trip, compromising electrical safety
GREENBROOK REIMAGINED
Do you think you know the GreenBrook brand?
Peter Ratcliffe, Managing Director, explains why it’s probably time to think again.
As most readers will be aware, for many years GreenBrook has been a partner of choice within the electrical industry
Since our humble beginnings over 70 years ago, our product offering has evolved from manufacturing simple mechanical relays to designing the first socket RCD (which has now evolved into the leading PowerBreaker circuit protection range)
GreenBrook has always sought to provide the best quality products and services to our loyal wholesalers and contractors and as a result of this we repeatedly added new products to our range (and acquired other respected brands such as Norslo, MK Sentry and Tillex) to be able to offer a selection of different products that we knew would be of interest to our client base
This enormous product offering has lead us to notice over the years that our
customers have not always been sure where to place GreenBrook as a supplier, as we’re essentially a ‘Jack of all Trades’ – able to supply a plethora of products but not specialising in one particular area
Although we’re known fo PowerBreaker, Norslo (ou cable management range timers, door chimes, light fixings – we had such a wide range of products that we needed to streamline our product offering to be able to offer our customers a clearer product identity
What’s changed?
So, we’ve taken it upon ourselves to do a complete product shake-up and re-branding exercise to help us identify as a more modern supplier with a clear message for our customers.
Firstly, we’ve decided to exit the lighting sector as the market is saturated with specialists that offer such a wide selection that we couldn’t compete This has given us space in our range to hold further stock of the products that we know our customers need.
Of course, we know that all customers value their time, so it’s important that they find the very best products as efficiently as possible Acknowledging the sheer amount of choice that wholesalers and contractors have, we’ve taken the opportunity to completely redefine our product solutions by presenting our simplified PRO Series and CORE Series
The PRO Series contains all our “intelligent and wired-in” products, such as the circuit protection ranges, timers, occupancy detectors, heating solutions, wiring accessories etc.
The CORE Series contains all the commodity ranges that are not electrified – such as the cable management products, dry lining boxes, connectors, conduit fittings, ladders etc
Whether it’s our Pro Series or Core Series, both ranges have a selection of
well-known ‘flagship’ brands, such as Powerbreaker, MK Sentry, Inchronox Timers, Safetysure and Orion Occupancy Detectors.
Our new look GreenBrook identity is a real departure from our old styling, and every part of our new brand has been carefully reimagined to convey a more dynamic and modern design Therefore, in an industry where competition is high, our new brand will better reflect our intention to offer an unparalleled customer experience to make us stand out from the crowd.
At GreenBrook our ethos is simple: ‘to be better today then we were yesterday’ and our mission is to become a leading name for electrical products and solutions to wholesalers, contractors and property developers/specifiers – not only from our product offering but for the information we bring to market
“So, we’ve taken it upon ourselves to do a complete product shake-up and re-branding exercise to help us identify as a more modern supplier with a clear message for our customers.”
Working closely with stakeholders
Forming partnerships is part of our ongoing promise to deliver an exceptional service to our customers and the industry as a whole Whether it be wholesalers, contractors or specifiers, we believe the real value is the investment in working jointly with all stakeholders to help push our industry forward
Our Synergy Cycle (pictured, left) perfectly acknowledges our three core audiences, and importantly, we also recognise how each of our audiences affect and influence each other
We’re working closely with eminent bodies and strategic partners within our industry to bring useful information to the industry. By way of our new podcast series, The Perfect Contact, we’ll bring conversations with strategic partners, such as BEAMA and the EDA, to discuss issues that are currently affecting our market This will include legislation, government issues, environmental discussions and a general understanding of undertakings in our industry from all the people involved
Ultimately, our aim is to positively impact the industry by not only manufacturing and supplying quality products, but to also provide innovative resources that enable our customers to be better informed, more sustainable and, above all else, continually profitable
GET MORE DETAILS ON GREENBROOK’S REFRESHED BRAND AND PRODUCT OFFERING AT: WWW.RDR.LINK/EBP027
CUT CORDS, NOT CORNERS
for in cordless tools so that you can streamline everyday tasks.
Brushless motors
Cordless tools have significant advantages, including greater flexibility and improved safety However, choosing tools that offer excellent run times is essential to minimise wasted time
Brushless motors are a feature that can contribute to greater runtimes per battery charge In contrast to traditional motors, which rely on contact between carbon brushes to drive the tool, a brushless motor is driven using contact-free electromagnetism This eliminates the friction of a brushed motor that generates heat and wastes energy, as well as reducing maintenance requirements With minimal energy lost, brushless motors produce more torque, meaning less power is needed to achieve the required result This in turn can extend run times by up to 50% per battery charge, allowing improved productivity and fewer recharges.
A single battery platform
One simple way to streamline and simplify work on-site is to invest in tools that share a battery platform When the same batteries can be used on all the tools in the van, there’s no need to find the right battery – it can simply be moved from one
machine to another as required For example, the Makita 18 V LXT range includes over 270 products including drills, impact drivers, circular saws, metal saws, routers, drywall cutters, multitools, wall scanners and work lights
With a single battery platform, charging is also simpler as one charger can be used for all batteries This benefit can be enhanced further by selecting products from a manufacturer that has engineered its batteries for rapid charging As an example, Makita 3 0 Ah 18 V LXT batteries charge in as little as 22 minutes while the 6 0 Ah version takes just 55 minutes
Optimal power delivery
For the most demanding tasks, it’s important for the tools to be able to cope with varying load requirements to deliver optimum performance
Some tools include technologies that allow the machine to adapt to the resistance of the material by automatically adjusting the speed and torque based on the load conditions during operation
Additionally, some manufacturers offer higher-output versions of their batteries for enhanced performance and better runtimes on higher drain tools. These batteries have the same amp-hour
capacity, charge time and compatibility as their standard counterparts but deliver higher maximum kilowatt outputs, for example 2 1 kW rather than 1 5 kW in the case of the Makita F-Type series
Simpler dust management
Controlling dust is essential to ensure both a clean and healthy workspace In particular, dust that contains respirable crystalline silica (RCS), generated by drilling and cutting into materials such as concrete, masonry and stone, is extremely hazardous to health
To make dust management easier and more efficient it’s worth looking for cordless tools and dust extractors that have an ‘auto’ functionality. For example, the Makita Auto-Start Wireless System (AWS) connects cordless tools to compatible dust extractors via Bluetooth to run the extractor when the tool is in use
When choosing new power tools, it’s important to remember that not all products offer the same level of benefits. Choosing tools with technologies and features that improve efficiency can help make work easier and ensure greater productivity
HOT PROPERTY
Yulia Gillingham, Head of Marketing at Dimplex UK, explores the benefits of smart high heat retention (HHR) storage heaters and discusses the opportunities this reliable, installer-friendly route to decarbonised heating presents for installers.
Once a staple of 20th-century UK housing, storage heaters have undergone a quiet revolution Introduced in the 1950s, they were widely adopted through the 1970s to alleviate pressure on the grid and reduce household bills
With around 1.4 million UK homes still using storage heaters today, the emergence of smart HHR solutions, such as the Dimplex Quantum, is transforming the landscape for installers and residents alike
Easy installs and high performance
From an installation perspective, Quantum is designed with professionals in mind Its installation-friendly chassis, pre-configured settings, and dual or single supply wiring options make it fast and flexible to fit, particularly during retrofit projects
The unit is maintenance-free, features an intuitive interface, and is backed by a five-year guarantee when registered online (extendable to 10 years for some components), giving peace of mind to both installers and residents
Quantum isn’t just easy to install; it’s a powerful upgrade on traditional storage heating systems The latest HHR technology responds dynamically to room conditions and user habits by incorporating advanced insulation, intelligent algorithms, and zoned heat distribution This results in more comfort, less energy waste, and increased efficiency.
Quantum HHR units store low-cost, off-peak energy and intelligently release it throughout the day, reducing the reliance on expensive peak-time electricity In fact, a study found that Dimplex Quantum can be 27% cheaper to run than standard storage heaters and 47% more cost-effective than direct electric heating
Easy energy savings
The benefits are equally beneficial for users, as modern HHR storage heaters offer reliable warmth all day without manual intervention A built-in radio frequency (RF) module means Quantum can be controlled remotely using the Dimplex Control smartphone App, when purchased together with the Dimplex Control Hub This gives residents complete control over their indoor environment, anytime, from anywhere Better still, these heaters are compatible with smart tariffs, such as the award-winning British Gas Dimplex Quantum Tariff These tariffs help residents save on running costs by charging the heaters when electricity prices are at their lowest, while also supporting the decarbonisation of the UK energy grid.
Future-proof
and flexible
For electricians, the growth in low-carbon electric heating opens a valuable business opportunity, especially in social housing, retrofit projects, or properties without access to fossil fuels. HHR heaters like
Quantum help clients meet regulatory demands, improve EPC ratings, and reduce long-term energy costs
Quantum is also listed in SAP Appendix Q, ensuring it contributes positively to building compliance calculations. And with a projected rise in electric-only homes, as well as in properties where heat pump alternatives are not a practical option, storage heating has reasserted itself as a key player in the UK’s electrified heating mix
Join the Club!
To support the trade, Dimplex has introduced the PRO Installer Club where members gain access to various rewards and incentives, and the advanced heating design calculator It also unlocks access to exclusive training and technical support, making it easier to stay current with best practices and build long-term value into the overall service offering
TSUMMER MERCH BUNDLES UP FOR GRABS
You could win 1 of 5 special summer merchandise bundles, courtesy of Dimplex
he Dimplex PRO Installer Club is designed for electricians looking to grow their business, gain recognition and be rewarded for installing trusted Dimplex products
The Club is free to join and helps professional installers stand out, access expert resources and benefit from valuable incentives
Installer Club Partners receive valuable training through the Dimplex Academy and in-person sessions, technical support, exclusive promotions, and the opportunity to earn points on every qualifying purchase, including extra points on select products like Quantum HHR storage heaters, Q-Rad electric radiators and Edel hot water heat pumps
Points can be redeemed for a wide range of rewards, and Club Partners can also be featured on the Dimplex website If you install Dimplex, it pays to join. Register now at: www dimplexinstaller co uk/register
WHAT CAN YOU WIN?
To celebrate the success of the PRO Installer Club, Dimplex has put together a fantastic prize bundle consisting of:
● Water bottle
● Thermal flask
● Mini lunch bag
● Bottle opener
● Dimplex branded pen
● Pair of sunglasses
HOW TO ENTER
Deadline for entries: 31/08/2025. Usual T&Cs
SWITCH ON TO INSTALLABILITY
“They’re taking the craft out of the trade!” Have you ever heard a colleague make this complaint about a new luminaire design?
They scoff at plug & play functionality, compare colour-coded terminals to children’s ABC books, and take pride in wiring from scratch
Typically, they’re the stalwarts of the industry – the ones we turn to when no one else has the answer We love these electricians But we do have a small bone to pick…
What some may describe as a “dumbing down” is what we at ROBUS proudly call ‘installability’ and we’re passionate about it We’ll defend it to the end
So, apologies in advance to those sparkies who may be more traditional in their outlook – we’re here to show you why the latest innovations in luminaire design are not simply nice to have, but
essential to the trade.
Let’s start with an example: imagine you have to install an emergency pack into an LED batten Think about all the steps you must go through to install an emergency pack from scratch Just running through them in your head takes time never mind actually doing the job
Amongst other things, you have to:
● Mount the emergency pack using fixing tabs, screws, or locking wing nuts inside the luminaire body or spine.
● Disconnect the existing driver-to-LED connection
● Connect mains input to the emergency module
● Link the emergency module’s maintained live output back to the mains LED driver input.
● Reconnect the mains driver output to the LED board
●
As product designs evolve to make the life of those installing them that bit easier, the team at ROBUS looks at why this type of innovative thinking is helping to ‘upskill’, rather than ‘dumb down’ the industry.
● Mount the charge indicator LED (often to the body or end cap for visibility).
For Self-Test versions:
● Mount two separate indicators usually a green charge LED and a bi-colour or red fault/test indicator
● Install the manual test/failsafe switch if required (some systems use a button or key switch)
It’s a lot and that’s just one fitting But what if we told you that you don’t need to do any of that anymore?
In the past year, our New Product Development team launched the HARBOUR EXPRESS and SPEEDBEAM EXPRESS LED batten ranges with new and improved designs that eliminate all that unnecessary wiring
The solution? An integrated emergency base
Now, every batten comes ready with an integrated emergency base all you do is snap-in the plug-in emergency pack to power your upgrade. We call it TruePlug&Play. The result? Huge amounts of time saved
Installability and the critical shortage of electricians
Estimates show that in the UK we will need up to 100,000 more electricians to meet demand by 2032. In today’s electrical industry, labour time is one of the biggest cost factors on any job Margins are tight, and deadlines are forever looming This all explains why there is growing demand for luminaires that are quicker, simpler, and more predictable to install
A s y o u k n o w, e l e c
Multiply that across dozens (or hundreds) of fittings, and it’s clear: timesaving isn’t a luxury, it’s a competitive edge Even more importantly, it’s ensuring the industry continues to progress
Put safety first in product design
Making installation quicker isn’t just about saving time it’s about reducing risk A product that’s easy to install is also less likely to cause injury, is less prone to mistakes, and more likely to comply with safety regulations once it’s up and running
You rarely get to install fittings in perfect conditions, right? You’re up ladders or on scaffolding, working overhead or in tight spaces, battling poor lighting or bad weather, often on live or semi-live sites
Every extra screw terminal, awkward bracket, or ambiguous wiring diagram adds risk: dropping tools, incorrect wiring, pulled muscles, and even electrical shock
Examples of safer installability include:
● Push-in terminals reduce strain and eliminate the need to twist wires or use screwdrivers in awkward positions
p g points provide more flexibility in wiring positions, speeding up the process.
● Plug & play connections prevent miswiring and remove the risk of loose terminations
● Tool-free glands and cable clamps secure the cables and maintain electrical safety.
● Clear labelling reduces the chance of wiring errors, especially on large jobs or for new apprentices
● Safety-straps secure the diffuser at a 90° angle, so you don’t have to juggle the diffuser while adjusting internal components.
● Marked drill points on every conduit entry ensure maximum precision
Prioritising your installation experience
Great product design starts by understanding what electricians actually go through the body positions you work in, how you access wiring, the order you mount components, even how the fitting comes out of the box
Design that works with you not against you doesn’t take the craft out of the trade It puts your real needs at the heart of it
Dimming LEDs should be simple, but often isn’t. In this article, Simon Johnson, Country Manager at Theben Automation, shares two of the most common questions that the brand fields from installers, and what you can do to solve the most frustrating issues.
“WHY WON’T MY LEDS DIM PROPERLY?”
QWhy
do the LEDs flicker or stay on when they should be off ?
You’re not imagining it – flicker, ghosting, and LEDs refusing to switch off fully are still among the most common headaches we hear about on-site
One of the most common reasons why an LED bulb may stay faintly lit is the presence of residual currents in the circuit LEDs require far less current than traditional lamps, which means even a small, unintended current can be enough to produce a glow This is often seen in installations with longer cable runs or electronic switching
The fix? A “dummy load” or compensation module, such as the one offered by Theben, can absorb this residual current and restore proper functionality
Flickering, on the other hand, can be down to a number of factors: voltage fluctuations, loose connections, electrical interference, or simply incompatible dimmers and LED drivers. Many LEDs still don't “play nicely” with all dimmers, even if they’re marked as dimmable In fact, dimming LEDs remains something of a dark art, with the electronics inside the dimmer and those in the LED fitting often working against each other
That’s why it’s important to use a dimmer that can reliably detect and
respond to the load type Adjustable parameters, such as minimum brightness and dimming curve, are essential in today’s lighting landscape. And when in doubt, always test before installing across the whole property
QWhy
is dimming range or multi-way control so limited at times?
That’s why we’ve seen growing interest in solutions like Theben’s DIMAX 540, which enables multi-way dimming from multiple retractive switches, all controlled by a single dimmer module It’s a simpler, more costeffective way to offer flexible control without overcomplicating the wiring or breaking the budget
A good modern dimmer should allow for manual fine-tuning of dimming limits, giving you smoother performance and a better user experience It’s also helpful when dealing with mixed loads or retrofits, where consistency is key.
Another issue that often frustrates installers, and homeowners, is the lack of affordable multi-way dimming options
The ability to switch and dim from more than one location is a common request, but it’s usually solved using expensive systems requiring master and extension dimmers at every switch point.
As the lighting industry continues to shift toward LED, installers are having to rethink traditional approaches to dimming and control. While there’s no one-size-fitsall solution, most challenges can be overcome with a better understanding of the causes and the right tools
At Theben, we’re here to support that transition, combining practical product development with real-world advice and training. If you’re wrestling with a dimming dilemma, chances are we’ve already seen it – and solved it
Matthew Holliday, Director of Technical Services & Field Operations at the National Security Inspectorate (NSI), describes why false alarms being generated from security systems require urgent action from installers to prevent this problem and protect their customers from the harmful consequences
ALARM BELLS ARE RINGING
Aalarms generated from remotely monitored security systems installed by companies approved by a UKAS-accredited third-party certification body, such as NSI, has bucked a longstanding downward trend in erroneous alerts from these alarm systems
This has caused a major headache for all those concerned, including alarm receiving centres (ARCs) monitoring these alarm calls, police responding to the false alerts, as well as end-user customers and their insurers
For alarm system end users, there are worrying implications Loss of immediate police response to a confirmed alarm activation by an ARC is at risk after two false system activations are received by police in a rolling 12-month period, under the National Police Chiefs’ Council’s (NPCC) requirements for security systems
A third such activation within that time period leads to withdrawal of the required Unique Reference Number (URN), issued only to systems installed by third-party certified installation companies. This exposes sites to increased risks and potential insurance costs, since they must then rely on keyholder-only response for a minimum of 90 days
Various NPCC conditions, including the upgrade of systems to meet current standards and passing of compliance
before the alarm system can regain its URN
What’s causing false alarms?
This issue is largely due to technical vulnerabilities in dual path signalling systems, which use two communication channels – primary and backup Widespread use of GSM (Global System for Mobile Communications) technology by alarm system installers is key to the current false alarms issue
Wireless 2G, 4G, and 5G technologies are popular for their cost-effectiveness, ease of installation and reliability But this reliance on GSM radio, for both signalling paths, is causing false alarms – especially in remote locations, where GSM base stations are thin on the ground, raising the chance of communication failures.
There’s a secondary cause too: IP-based broadband communications enable high-speed data transfer, but don’t provide ‘always on’ connectivity needed for alarm signalling Analogue PSTN lines are remotely powered by landline phone exchanges, but they’re being phased out, with many installations switching entirely to IP protocols which are more susceptible to short-term outages and require constant on-site power
ARC operators often understandably interpret IP-related outages as potential tampering or sabotage, increasing line
for police response
Advising installers on action
NSI, along with police, insurers and other industry taskforce stakeholders, has developed best practices to guide installers These practical solutions include the use of extended radio aerials and high-gain antennae to help overcome location-specific signalling limitations, along with procedures to mitigate radio frequency interference, which can compromise radio signalling paths and lead to false alarms
This guidance could, in time, form the basis of a broad industry agreement, enabling its rapid adoption across the sector It also provides an interim measure while relevant standards and codes of practice are updated to incorporate these solutions
The new guidance is also likely to become an essential element of inspection processes conducted by NSI and other third-party certification bodies, helping ensure that third-party approved security installation companies act appropriately to arrest false alarms and better serve their customers in future
SETTING THE SCENES
Ben Pratt, the founder of B Electrical, gives some examples of the ways in which Shelly devices can be used to provide automated convenience to your customers.
At B Electrical, we’re always looking for smarter, more efficient ways to bring homes and businesses to life – and that’s where Shelly’s automation solutions come into play
Whether it’s improving comfort, saving energy, or enhancing safety, Shelly’s scene and schedule capabilities give our customers control like never before
Smart scenes: Automation with purpose
With Shelly, we can create powerful, flexible scenes that respond to real-world events in real time, triggered by the push of a button, scheduled routines, or sensor and weather data
Residential use
Imagine walking through your front door and being greeted with the perfect welcome scene – lights turn on, your favourite playlist starts, and the heating
kicks in By linking Shelly door sensors and motion detectors to relays behind your electrical devices, we can set up “welcome scenes” that activate automatically the moment you step inside
Want to help the kids wind down for bed? Set up a “Kids’ Bedtime” schedule using Shelly. At 8:00 PM each night, lights in their rooms dim gently with a Shelly Dimmer relay, the Wi-Fi or gaming sockets switch off with a Shelly Plug, and the room temperature adjusts for optimal sleep comfort using Shelly TRVs You can even activate a soft hallway nightlight to safely guide any late-night wanderers.
Commercial spaces
Scenes aren’t just for homes. In offices or meeting rooms, we’ve configured “Meeting Room” setups where blinds close, lights dim, and the projector powers on – all from the press of a button Even the morning open-up routine can be automated: lights come on, the coffee machine powers up, and the HVAC system kicks in when the door opens between
energy-efficient.
T h e s a m e l e v e l o f c o n v e n i e n c e
e x t e n d s t o h o s p i t a l i t y I n A i r b n b a n d
h o t e l s e t t i n g s , a “G u e s t C h e c k- I n”
s c e n e c a n b e t r i g g e r e d a u t o m a t i c a l l y
w h e n a s m a r t l o c k i s u n l o c ke d o r b y a
s c h e d u l e d c h e c k- i n t i m e. We l c o m e
l i g h t
o p e n t o l e t i n n a t u r a l l i g h t , o f f e r i n g
g u e s t s a p o l i s h e d w e l c o m e w i t h o u t
s t a f f n e e d i n g t o l i f t a f i n g e r F e w e r m a n u a l t a s k s m e a n s m o o t h e r
o p e r a t i o n s a n d l o w e r o v e r h e a d s .
Energy-saving automation
Shelly doesn’t just make life easier – it makes it greener With smart triggers and schedules, we regularly install systems that:
● Switch off lighting when no motion is detected for a set time,
● Trigger heating only when temperatures drop below a threshold
These small changes add up to significant energy savings across homes, offices, and commercial properties
Safety built-in
Comfort is important, but so is protection
Shelly systems can be configured to respond immediately to safety risks For instance, if a flood sensor detects water, power to the affected circuit can be cut instantly – helping to prevent damage and reduce electrical hazards
I t ’s n o t a l l a b
Scheduled control: Set it and forget it
Schedules are another key feature we use in most Shelly installations Once configured, your smart setup quietly works in the background without needing constant input Some of our most used schedules include:
● Heating that switches on before you arrive home,
● Blinds rise at sunrise and lower at dusk,
● Automatic shutdown of non-essential circuits after hours,
● Office gates that operate without manual supervision
It’s simple and smart automation that fits around individuals and their daily routine.
One-touch shutdown with the Shelly i4
The Shelly i4 is a clever piece of hardware that adds serious practicality to any smart setup We often install this near the front door as a master control switch. With one button press, you can
shut down all the lights, heating, and appliances when leaving the house No more second-guessing whether you’ve left something on It’s the modern version of the master switch, but smarter, more customisable, and fully integrated with your Shelly ecosystem.
You can even configure different press patterns (single, double, or long press) to trigger up to 16 different scenes or actions, giving you full control in a single device
Apple CarPlay and smart buttons:
Total control at your fingertips
For customers looking for a truly integrated smart home, we’ve also connected Shelly with Apple CarPlay That means you can open your garage door or roller shutter from your car dashboard – or press a button in the vehicle to activate a full “coming home” scene
You can even enable temporary remote access for delivery drivers or trigger power shutdowns if an alarm is activated, blending smart automation with security
Conclusion
Shelly isn’t all about smart innovation and the latest technology, it’s about realworld automation that saves time, reduces waste, and adds meaningful convenience to everyday life
From custom welcome scenes to safety-focused power cut-offs and energy-efficient schedules, Shelly solutions are flexible, affordable, and incredibly effective At
“THE
SIMPLE IDEAS ARE ALWAYS THE BEST”
In this review Gary Fisher of Lougar Electric ponders whether a new electrician-invented solution can help to get you out of a ‘Fix’.
Keen-eyed PE readers will have noticed a new product introduced into the magazine this year which stated as its primary claim that it can help users to speed up the installation of simple jobs and tasks that us sparks face on a regular basis, such as installing items like light fittings, sockets, surface wall boxes and smoke detectors
CHUMPFix, which was invented by electrical professional and entrepreneur Kieran Pye, is a fixing that is designed to accept two or more screws, ensuring there’s no need to drill holes for plugs or insert fixings into additional holes
The product arrived in a nicely presented packet of five units, with instructions and 10 x pozi screws included so that you have everything you need in one package
In terms of appearance, CHUMPFix is sturdily built and looks a bit like a large plastic toggle. The product contains a plastic stick that you push through one
of the two holes in the centre part of the unit (either one will work) and the second hole can then be used for additional support of a light fitting, or something of any weight, but for this you would need to tie a string to it, or loop some copper through it, before placing it in the ceiling area
Easy installation
Once you’ve added the bits you simply bend the handle of the CHUMPFix and push the whole item through the ceiling area and pull down, keeping the pressure on to hold the CHUMPFix in place You then screw it down using the supplied screws Now it’s all ready for the light fitting bracket to be fixed.
My main use for CHUMPFix came on a bathroom project where the ceiling was being lowered for downlights, so I thought it would be the perfect opportunity to give it a go as a way of fixing a pull switch to the ceiling It worked an absolute treat.
There are also so many other jobs
“It’s not just a ceiling fixing solution either, as CHUMPFix can be used for the same purpose, but on a wall instead.”
where I could see the product being put to good use. I’m sure we’ve all come across that light fitting where there are so many holes already in the ceiling and getting a fixing has been near impossible, meaning we must adapt to the situation or make a much bigger hole This simple idea does away with that problem overnight.
Plus, if the customer changes their mind and wants a downlight instead, you can unscrew the fitting and the CHUMPFix will be loose, making it much easier to move things To re-use the CHUMPFix just fix it in place with a single screw through the ceiling before you take the old fitting down.
It’s not just a ceiling fixing solution either, as CHUMPFix can be used for the same purpose, but on a wall instead Again, the process is the same as before – just push the item through where the cable comes out and fit the back box It’s as easy as that!
The product’s applications also extend outside of just purely the electrical domain, so can be used and utilised by any trade professional who has an item that requires a good, sturdy fixing Plumbers are using it to fix radiators to lathe and plaster walls, where previously it would not be
possible without significant work
I own several container compartment plastic boxes with every conceivable screw fixing that’s out there But do I have that box with me on all occasions and when I need it most? Carry a couple of packets of CHUMPFix in your vehicle or toolbox instead, and you might just be able to solve an issue without worrying about whether you can or can’t find the correct fixing
Conclusion
My final thoughts on this product are that it is a simple and clever idea that really
does have some genuine speed, safety and convenience benefits for us sparkies It is pretty clear that it has been developed by ‘one of our own’, who has been in such a position on numerous occasions in the past, and the recent news of even more wholesaler stockists coming on board to carry the product shows that it is growing in popularity
I’d highly recommend that others purchase a pack or two and give it a try!
Thorn goes to town with lighting solutions
Thorn Lighting’s advanced Thor lanterns and bespoke gobo projectors have been selected to help revitalise Spennymoor Market Place and Consett Middle Street, aiming to draw more visitors, support local businesses, and promote community pride.
Town centre regeneration is essential for boosting local economies and fostering vibrant communities In line with its ongoing county-wide improvement efforts, Durham County Council has delivered projects to transform the town centres of Spennymoor and Consett.
The council’s vision is to create spaces that attract more shoppers, businesses, and community gatherings. Thorn Lighting’s solutions have been instrumental in achieving this vision, offering an engaging and adaptable lighting scheme that supports events throughout the year.
Creating a community hub with adaptive lighting
Thorn Lighting’s Thor lanterns, combined with gobo projectors mounted on bespoke columns, provide the perfect blend of aesthetic appeal and functionality, allowing for tailored lighting
themes that change with the seasons and significant events
The adaptive lighting has helped to create welcoming hubs in Spennymoor Market Place and Consett Middle Street, where people can gather for local events like Christmas festivities and Remembrance Sunday commemorations
A thoughtful and customised lighting solution
Thorn’s Thor lanterns offer high performance and versatility These LED smart urban lanterns offer comfortable lighting quality and compatibility with any existing management control systems via ZHAGA sockets.
Mounted on bespoke columns with illuminated heads, the Thor lanterns seamlessly integrate into both Spennymoor and Consett’s streetscapes, creating an appealing ambiance. Additionally, gobo projectors allow for customisable, event-specific lighting, showcasing symbols like the Coronation emblem when King Charles ascended to the throne
Overcoming project challenges Implementing the schemes in Spennymoor and Consett required
precision and care to ensure the lighting solution fitted both the aesthetic and functional needs of the spaces.
In Spennymoor, aligning the gobo projections to cover the intended floor space required multiple site visits and careful adjustments to the positioning and angles of the columns For Consett, illuminating specific building facades meant careful spacing and placement to achieve consistent coverage without overpowering the area
Solutions to challenges
Through extensive on-site adjustments, the team was able to optimise the positioning of the columns and projectors, ensuring the lighting scenes landed exactly where intended The final arrangement enables residents to fully enjoy the vibrant gobo scenes, which draw attention without distracting from the area’s natural beauty
Thorn’s lighting solution has quickly become a source of pride for residents. The adaptable gobo projections have helped transform the town centres into dynamic spaces that reflect seasonal changes and important community events, helping residents and visitors connect with these revitalised areas The Thor lanterns also contribute to a welcoming, well-lit environment, enhancing safety and encouraging more foot traffic in these regenerated town centres
Positive feedback and future impact
The projects in Spennymoor and Consett demonstrate how lighting can help revitalise a community Residents have responded enthusiastically, with many expressing appreciation for the attention to detail and the focus on creating a space that reflects the town’s character.
As footfall increases, the council’s investment in a sustainable, community-focused lighting solution is expected to benefit local businesses and foster an enduring sense of pride
Luceco spotlights Speke showroom
Luceco recently worked with Senate Group at Peoples Ford in Speke on a two-phase project – refurbishing the new OMODA/JAECOO showroom in phase one before moving on to its existing Ford Car and Transit Centre in phase two.
Beginning with a complete strip out of the existing fittings and fixtures, Luceco then designed and supplied a full lighting plan that complimented the space and aesthetics of the showroom
Downlights from Luceco’s Platinum range were used across the showroom and office spaces The Platinum and Platinum Mini downlights feature a die-cast aluminium body designed to provide optimal thermal control A recessed mounted, unique swing tab
design enables quick and easy installation in any ceiling. The Platinum Surface downlight uses the same thermal control design as the rest of the Platinum range, with the flexibility to be surface, suspension or BESA mounted
Another product used was Luceco’s Carbon downlight – a stylish commercial LED solution which has been designed to replace PL type downlights and maximise energy savings It offers up to 100 Lm/W whilst providing a more comfortable ambiance. Also with a recessed mounted design, the downlight is suitable for plasterboard or suspended ceiling systems
For additional lighting, the Luceco Litera was chosen for its versatility Available in surface and suspended installation models,
it offers efficient and high-performance linear lighting with low power consumption, delivering optimal illumination for any commercial environment with efficacy up to 125 Llm/cW
All lights were installed with emergency features, allowing safe evacuation in case of mains failure with three hours’ worth of back-up power that meets all standards and regulations, along with hard-wired controls www
BROWSE THE FULL LUCECO LIGHTING RANGE AT: WWW.RDR.LINK/EBP037
Heath Robinson Museum takes control with Systeq solution
William Heath Robinson – famed for his whimsical, intricate contraptions – the Heath Robinson Museum in Pinner is a cultural gem
Housed in a beautifully designed modern building, it showcases a large permanent collection of the artist’s work alongside rotating exhibitions from emerging talents
Project brief
The museum's Joan Brimstead gallery relied on 30 track-mounted luminaires operated via three rotary dimmers located remotely in another gallery This made it challenging and time-consuming to fine-tune lighting levels for each new exhibition – a critical task given the museum’s regularly changing displays
Complicating matters further, the building’s copper roofing effectively acts as a Faraday cage, blocking Wi-Fi signals and making networked solutions more difficult to implement.
The brief was clear: improve control and flexibility of the gallery lighting without changing the existing fixtures or infrastructure and keep it simple and intuitive for staff to operate
The solution: Systeq H2A Bluetooth Mesh Wireless Control
To address the museum’s unique constraints, Systeq’s H2A Bluetooth Mesh wireless control system was deployed. By leveraging Bluetooth Mesh technology,
y where each lighting driver communicates seamlessly with the others, ensuring reliable performance without the need for Wi-Fi or cabling changes
Precise fixture-level control
Each luminaire’s driver was replaced with a constant current Bluetooth Mesh receiver, enabling individual control over every single fixture This allows curators to tailor lighting scenes specifically to each exhibition, ensuring artwork is always presented at its best.
User-friendly interface
Systeq added a discreet, adhesive wall-mounted switch to provide gallery staff with a simple, tactile control option
More detailed scene-setting is managed via a mobile app, offering maximum flexibility without technical complexity.
Future-proof and flexible
With new exhibitions every month, adaptability is vital The fixtures were grouped into intuitive sections, making it quick and easy to adjust scenes or lighting levels to suit different layouts and artworks
Sustainable and efficient
● Enhanced visitor experience through optimised lighting tailored to each exhibit,
● Greater operational efficiency –exhibition changeovers are faster and easier,
● Preservation of the building’s architecture with no new wiring or infrastructure required,
● Improved accessibility and ease of use for non-technical staff,
● Energy efficiency and cost savings from smart scheduling and automation,
● Scalable, future-ready technology that can be extended to other galleries
By choosing Systeq’s H2A Bluetooth Mesh system, the Heath Robinson Museum has embraced a modern, flexible control solution that respects its historic mission while enhancing its day-to-day operations
Chris Westbrook, Curator at the Heath Robinson Museum, said: “The expert advice from Systeq has transformed our museum lighting beyond all expectations
The wireless system is flawless and lights exactly when, where and how we need, according to each exhibition ”
GET MORE DETAILS ABOUT SYSTEQ’S H2A BLUETOOTH MESH SYSTEM AT: WWW.RDR.LINK/EBP038
ELEX 2025
Polaris shines bright as All LED wins Red Dot Award
At All LED, innovation is at the heart of every endeavour. That’s why the brand is incredibly proud to announce that the Polaris Dim-To-Warm Downlight has rece Red Dot Award 202
Winning a Red D represents one of th of design excellenc the global stage a symbol recognised lighting professiona around the world
A new benchmark in ambient lighting
The Polaris Dim-To-Warm LED Fire
lifestyle-focused environments Whether
it is a cosy living room, a luxurious hotel suite, or a boutique retail space, Polaris
Rated Downlight transforms the possibilities of ambient lighting
Engineered with advanced Dim-To-Warm technology, it effortlessly transitions from a crisp 3000K down to a golden, intimate 2100K as it dims emulating the warmth of incandescent lighting. This customisable feature allows users to craft beautifully tailored atmospheres with ease, bringing warmth, depth, and comfort to any space.
This technology makes Polaris an ideal choice for mood and effect lighting, particularly in residential, hospitality, and
30, 60, and 90 minutes in Timber Joist ceilings, as well as 30 minutes in Knauf i-Joists This level of certified performance can give installers complete confidence when meeting critical building regulations Polaris is also fully compliant with Part B Fire, Part C Moisture, Part E Acoustic and Part L Air Leakage
When it comes to safety, compliance, and performance, Polaris delivers across the board providing a one-stop solution for modern installation requirements.
Installer-centric design
All LED believes that excellent lighting design starts with the installer in mind Polaris was developed to streamline the installation process, reduce time on-site, and offer genuine flexibility
It features a 2-part quick connector system with loop-in, loop-out push terminals, allowing for swift, secure wiring without fuss. The unit is insulation coverable, giving contractors additional freedom in ceiling construction And with
an IP65 rating from the front when installed, it is fully suited to bathroom zones and high-humidity environments. The result? A product that offers understated elegance with powerful performance built-in
Lighting the path ahead
KNIPEX
Stripping Knife
The KNIPEX Stripping Knife (16 50 145 SB) brings precision, power and safety to sheath removal, with a unique ratchet function that cuts through even the toughest materials with ease This versatile stripping knife with guide shoe and ratchet function is designed for professionals who regularly work with hard plastic sheaths up to 7 mm thick Whether you're stripping large SWA cables, industrial flex or tough insulation, the product is built to get the job done cleanly, safely and quickly The blade has four positions: the angled position allows for easy round cuts, straight for circumferential and longitudinal slicing and ratcheting for lengthwise work The ratchet function means the blade moves in-sync with your motion to make lengthwise cutting smoother and more controlled, even on stubborn materials
CED ELECTRICAL
Axiom RCD Protected Wiring Accessories
The Axiom Wiring Accessory range features a wide range of 13 A RCD protected sockets, plugs and in line connectors offering excellent short circuit and earth leakage protection. Single and twin RCD sockets are available either unswitched or 30 mA switched, with moulded versions across the range and metal clad options on switched sockets A single RCD spur is also available Manufactured to BS 7288 standards these RCD sockets are suitable for 13 A domestic and commercial applications. With 30 mA sensitivity they respond to DC pulsating earth current faults and trip instantaneously Whilst clearly RCD protected sockets are the prime core of this Axiom range, the same protection is also available on 13 A plug-in adaptors, 3-pin plug tops and in-line connectors These BS 7091 approved items offer protection on day-to-day products such as lawnmowers, drills, hedge cutters, water pumps, electric fires etc Quality is assured with the BS as well as CE and UKCA approvals
G
G
RolecConnect is your ultimate installer sidekick
Ro
LeadConnect
Use your unique installer profile to match installation or maintenance leads in your area Manage projects, conduct site surveys, and generate customer quotations instantly – no more hunting around for wholesaler prices!
See it before you build it
Plan your installations with AR (augmented reality) site planning tools before breaking ground.
Product configurator
Set up and configure charge points effortlessly Installations take as little as 15 minutes
24/7 knowledge base
Instant answers at your fingertips From product FAQs to technical troubleshooting, all the information you need is ready when you are
Meet ‘Zuzu’
Zuzu has been busy absorbing knowledge and experience from every area of Rolec’s business to help build the new and improved RolecConnect Zuzu is here to assist you with EV charge point, caravan hook-up, and marina services installations
SupportConnect
G
In-person training
Stay ahead of the curve with tailor-made training courses designed for professional development
Installer forum
Connect with a community of electrical contractors to share expertise and insights within the App
Build your installer profile
Use RolecConnect to establish a trusted business profile, with customer-rated activity helping you secure new opportunities
With RolecConnect, everything you need is in one place – so you can streamline your workflow, save time, and power through installations more efficiently than ever This ensures less hassle and more installs
The development never stops at Rolec, with RolecConnect Phase Two coming later this year. Further developments will include platform enhancements, platform APIs, and more
CLICK SCOLMORE
CAT-6A Modules
Click Scolmore is further enhancing its New Media range with the launch of new CAT-6A modules, delivering high-speed data connectivity for today’s increasingly demanding media and network installations The new CAT-6A modules are engineered for ultra-fast performance, supporting data speeds of up to 10 Gbps over cable lengths of up to 100 metres With a high-frequency operation at 500 MHz, they are designed to ensure dependable, high-speed data transfer, even across extended distances Ideal for both residential and commercial projects, these modules offer installers a flexible and efficient solution for integrating data, audio, and visual connections A single New Media faceplate can be configured with multiple interchangeable modules to suit various media requirements The clip-fit design allows quick, tool-free installation into blank mounting plates The new modules are offered in three colour options black, white, and grey
UNICRIMP
Self-Adhesive Clips
Unicrimp has added new self-adhesive clips to its extensive cable clips category A valuable addition to any professional electrician’s tool bag, the new self-adhesive clips are easy to attach, while providing a strong, resistant hold thanks to the 3M adhesive backing. They’re ideal for use on metal surfaces, engineering bricks, plastics, and any flat, clean surface They eliminate the need for drilling or nailing, thus saving valuable time on-site and their use minimises dust, sparks, vibrations and noise for a safer and more efficient working environment. The perfect solution for situations where drilling holes on surfaces is not an option, they will adhere to a wide range of clean flat surfaces, including steel, UPVC, aluminum, glass, RSJs, racking, and single-skin structures Installation is quick and easy – simply peel off the sticker and apply to the required area
Vimark expands Wiring Accessory and Air Movement ranges
Offering a wide portfolio of products, including wiring accessories, ventilation, hand dryers and motion sensors, Vimark now provides even more product choices for electrical contractors to help with their everyday requirements
New wiring accessories
Vimark’s refreshed range of switches and sockets offers stylish, durable, and installer-friendly solutions for residential and commercial projects
● Square: A traditional square-edge white urea range
● Pro: A modern, curved-edge white urea range with a sleek, contemporary look
● Pro Décor: A premium, low-profile metal plate range with matching switches and screws in Stainless Steel, Chrome, and Matt Black finishes
● Metalclad: A robust metal range designed for demanding environments
The Vimark range of wiring accessories offers a versatile selection of high-quality solutions for residential, commercial, and industrial applications From the modern simplicity of the Square range to the refined
elegance of Pro and Pro Décor selections, the portfolio combines style, durability, and ease of installation For tougher environments, Metalclad products provide impact-resistant reliability, making them ideal for industrial and commercial spaces
Air Movement
Building on its popular Ventilation range, Vimark has launched some new products:
● New Zone 1 Fans are ideal for use within showers (4700ZT Timer / 4700ZTH Timer & Humidistat)
● New Inline Fans allow for discreet installations by placing fans within voids (4750S Standard Inline / 4751S Timer Inline)
● New Mixed Flow Fans combining axial and centrifugal technology (4755MF Standard Mixed Flow / 4755MFT Timer Mixed Flow)
● Improved Flat Fascia Fans with enhanced aesthetics and performance (4720Z Standard / 4720ZT Timer)
The wide Ventilation range offers energy-efficient and quiet extractor fans designed for kitchens, bathrooms, and utility rooms, with slim profiles that blend into any space Complete with adjustable timers and humidistat options to enhance automation choices, the new Zone One Axial Fans provide more effective bathroom extraction
The Hand Dryer range improves hygiene and reduces energy consumption, delivering high-speed drying for greater efficiency compared to conventional models, and boasting a vast selection to choose from.
Whether you're looking for stylish and durable switches and sockets, advanced ventilation options, or high-speed hand dryers, Vimark offers a comprehensive range designed to meet the needs of modern electrical installations
BROWSE OR DOWNLOAD THE 2025 VIMARK PRODUCT CATALOGUE AT: WWW.RDR.LINK/EBP045
ROBUS SPEEDBEAM EXPRESS
Tired of juggling diffusers? SPEEDBEAM EXPRESS is designed for speed, with big innovations such as the snap-in True-Plug&Play Emergency Pack and smart touches like safety straps that hold the diffuser at 90° for hands-free adjustments. ROBUS has eliminated unnecessary wiring by integrating an emergency pack base part into every single SPEEDBEAM EXPRESS That means all you have to do is add the emergency pack plug-in to complete the upgrade That’s True-Plug&Play It gets better still: you can offer your customers an energy-saving boost with the easy plug-in microwave sensor featuring on/off and 3-step dimming Take the fast track with SPEEDBEAM EXPRESS
RETROTOUCH Aura Switches & Sockets
Retrotouch has launched a new range of light switches, sockets and dimmers that make it easy for electricians, housebuilders and renovators to add a high-end finish to any new lighting scheme, or easily update and upgrade an existing one The Retrotouch Aura collection comprises a choice of attractive ‘clip on’ milled aluminium front panels that quickly and easily attach to the Retrotouch Aura base module, creating stunning finishes for design-conscious customers The key benefits of the new range are its modularity, quality materials and finish Once installed, customers can easily change the covers with no need to wire in new sockets to change the look Installation is simple –install the base at first fix and clip on the face plates at second fix. The designer-look front panels currently come in four finishes: Brushed Nickel, Brushed Brass, Brushed Bronze and Matt Black
Ovia introduces new catalogue and a bit of E-Lite relief
Ovia has launched Issue 6 of its lighting catalogue, reinforcing its position as a trusted supplier of high-performance lighting solutions for the professional electrical contract market
Since its inception in 2019, Ovia has delivered contractor-friendly, energy-efficient, and innovative lighting products, available through reliable wholesale channels
The new catalogue introduces a range of approximately 930 product lines, catering to diverse sectors including domestic, commercial, industrial, utility, amenity, emergency lighting, and flood lighting Ovia’s comprehensive offering is complemented by advanced lighting control solutions designed to maximise energy efficiency
Issue 6 introduces several new additions to the Ovia portfolio, including:
● Berula: A high-performance, linear batten, multicurrent LED luminaire with 120 lm/W, CCT, and power-switchable features.
● Inceptor Trofa: CCT switchable LED panel offering enhanced lumens and efficacy (3200-3300 lm and 106-110 lm/W).
● Inceptor U-Lite: A new and improved, non-corrosive, power-switchable linear LED luminaire featuring an impressive 160 lm/W and CCT
● E-Lite: Power-switchable, premium performing linear batten LED luminaires with CCT
● Inceptor Slate Backlit UGR: LED backlit panels offering 140 lm/W and with power-switchable and CCT options available
Ovia’s commitment to sustainability is evident in its Inceptor Pro Range, designed with time-saving installation features for contractors These products prioritise energy efficiency and durability, aligning with the brand’s goal to lead in sustainable lighting solutions
E-Lite – the new power-switchable linear batten
Featured in the new catalogue, E-Lite is a power-switchable linear batten that is designed to deliver superior performance, flexibility, and ease of installation
A premium performing luminaire, the E-Lite is available in Microwave Sensor, Emergency, and Microwave Sensor & Emergency versions Operating at an impressive 120 lm/W, the E-Lite is available in two varied sizes and wattage combinations – 1,200 mm (15-30 W) and 1,500 mm (23-40 W)
Built for convenience and durability, this luminaire offers a range of features and benefits to enhance the installation process and its performance:
● Piano key terminal for easy wiring and quick installation
● 600 mm fixing centres across the full range allowing retro fit of many batten brands
● Power switchable to allow the installer to change the wattage to
suit the environment.
● Adjustable CCT to suit any environment (3000k, 4000k, 6000k)
● Option to be surface mounted, mounted with a BESA box, or suspended
● IP44 Rating (ceiling mounted)
● Self-Test Emergency to remove the need of manual testing
● Security screw caps (3 mm allen key)
● Optional microwave sensor available, offering variable detection area adjustment, hold time, daylight threshold, and a corridor function
● Optional emergency converter pack with three-hour lifespan
The modular design enhances product sustainability as microwave sensors and emergency packs can be retrofitted in-house, by distributors or contractors without the need for tools Clear markings on the gear tray guide installation, with easy wiring via colour-coded connectors
Offering unparalleled value for electrical contractors and wholesalers, the E-Lite is compatible for a wide range of environments, including schools, gyms, sports halls, commercial spaces, and more It comes with a five-year warranty
SCHNEIDER ELECTRIC Transfer Switch Solutions
Schneider Electric has launched a number of offerings designed to maintain power supply in the event of an outage The transfer switch solutions increase power security and availability, as well as reducing downtime by ensuring the supply of power to a building by moving to emergency backup sources, such as generators or batteries, if the primary source goes down This means organisations can maintain vital services and avoid business disruption and potential financial losses by keeping essential equipment and operations up and running during a power cut. The new automatic transfer switch solutions include:
Acti9 Incoming Automatic Transfer Switch Kit
A new addition to Schneider Electric’s Acti9 range, equipped with TransferPacT Automatic, providing transfer switching capabilities to an Acti 9 distribution board up to 125 A.
ASCO Single Way Bypass Transfer Switch
A newly designed switch which offers a single-way bypass arrangement. This allows primary power switches to be inspected, tested and maintained without interrupting the supply of power
TransferPacT – 32 A – 1,600 A
With a new frame size, the TransferPacT all-in-one transfer switch solution now offers intelligent transfer switching capabilities between 32 A – 1,600 A It provides automatic transfer switching as fast as 500 ms, as well as best-in-class power availability even in extreme working environments.
BG ELECTRICAL
Expanded DC Isolator Range
BG Electrical has launched its latest DC Isolator Switches, designed to meet the growing demand for safe, reliable, and future-ready solutions in photovoltaic (PV) installations. With compliance to IEC 60947-3 and 18th Edition BS 7671 standards, these isolators ensure high performance, safety, and ease of installation. The units are available in two variants (25 A and 32 A), covering installations requiring 16, 25, and 32 A. This streamlined product range reduces stocking complexity for wholesalers and provides contractors with a universal solution for both 1 and 2 string PV applications. Fully certified to IEC 60947-3, the BG DC Isolator Switch ensures safe and compliant operation, with a padlockable OFF position for added security. The IP66-rated enclosure offers superior dust and water protection, making it suitable for both indoor and outdoor installations in demanding environments With jumper links included as standard, the BG DC Isolator supports both 2-pole and 4-pole configurations in a single device, allowing greater flexibility and fewer SKUs
CARHARTT
Expanded Women’s T-shirt Range
Carhartt has added new styles to its T-shirt line-up, offering a mix of lightweight comfort, moisture-wicking tech and dependable durability With options for both men and women, the new collection includes performance-driven work shirts and relaxed pieces designed to meet the demands of tradespeople on the move For women, the standout addition is the introduction of the Tencel Fibre Series, which brings a softer, more breathable feel to the brand’s famously rugged workwear Derived from wood pulp, Tencel wicks moisture away from the skin to keep the wearer cool, is lightweight and incredibly soft, washes well and is biodegradable too Designed for long days, warm conditions and high mobility, these T-shirts offer lightweight layering without compromising on toughness The Loose Fit Lightweight Short-Sleeve Crewneck T-Shirt (106122) offers the kind of comfort tradeswomen have been asking for – soft, breathable and easy to wear on repeat Made from a cotton-Tencel blend, it’s ideal for summer work or as a base layer when the temperature drops Also new is the Tencel Fibre Series Script Graphic T-Shirt (106833), which offers the same lightweight, breathable softness Designed to sit at the hip, this loose-fitting tee is finished with a bold Carhartt script logo across the front
G E T M O R
Portable power range is a Tower of strength
The new portable power range from Tower offers solutions for everyday power requirements. Blending innovation, safety, and durability ensures this new selection products can be used in a variety of environments.
The new collection of products includes:
● Indoor and outdoor cable reels
● Extension leads
● USB chargers, sockets, and adaptors
Power where you need it
Tower cable reels are the perfect balance of portability, safety, and functionality Designed to meet everyday power requirements for both residential and commercial use, these cable reels include multiple features to increase longevity and continued usage
Suitable for everyday use, the REEL10 and the REEL13 cable reels are the ideal solution for those looking for an efficient portable power solution Available in a variety of reel lengths and robust casings, there are a variety of options to choose from
For a more robust portable power solution, the REELPRO range offers enhanced usability in more demanding environments Equipped with a variety of innovative features, this range is ideal for users looking for a robust power delivery product without sacrificing convenience
It features:
● Patented dual drum technology to smooth friction-free winding
● Robust, impact resistant cable reel
casings
● Integrated handle and base for convenient portability
All Tower cable reels also feature thermal cut-outs to prevent overheating if the reel is overloaded, and they comply with BS EN 61242, BS EN 1363-2 to ensure they deliver safe and reliable power where needed
Reliable solutions for outdoor spaces
Tower’s Garden+ range provide portable power equipment that is designed to endure the elements Unlike other cable reels in the Portable Power range, the Garden+ range includes additional product features to make them more suitable for garden projects
Features and benefits include:
● IP54-rated sockets protect against dust and water splashes
● Highly visible orange cables to help reduce tripping risk
● Extra garden-specific accessories designed to aid outdoor projects
The range also includes other accessories, such as H-frame leads, spike sockets, and a cable tidy to ensure users have easy access to power delivery when needed
Versatile power at your fingertips
Tower extension leads provide versatile portable power solutions for a variety of requirements
From spring-loaded extension leads that can clip onto desks securely to standard extension leads that allow users to extend power from a wall
socket as they continue to work, users can choose from a wide range of products to suit their needs.
For those looking to charge multiple devices simultaneously, the range also includes products with built-in USB charging capabilities for maximum flexibility The extension leads also offer surge protection to help protect both the devices and the users from damage and injury respectively in case of unexpected power spikes
Power on the go
Tower’s travel sockets, adaptors, and chargers allow easy charging while on the move, combining convenience, reliability, and safety compactly
All new Tower USB adaptors and chargers include Quick Charge Protocols to provide fast power to devices. Compatible with power outlets in multiple countries, including the USA, UK, EU, and Australia, the range of travel adaptors are essential for those travelling internationally
BROWSE OR DOWNLOAD THE 2025 TOWER PORTABLE POWER PRODUCTS CATALOGUE AT: WWW.RDR.LINK/EBP053
LYTE LADDERS & TOWERS
Glassfibre
Combination Ladder
Lyte Ladders & Towers has launched the GFLCL – Glassfibre Professional Combination Ladder – specifically developed for tradespeople working in electrical environments
This newly developed ladder combines Lyte’s trusted UK manufacturing with dielectric safety, having been independently tested by BSI It has achieved EN131 Professional certification, making it ideal for electricians, facilities management teams, utilities providers, and contractors who require high safety standards on site Key features include:
● Non-conductive Glassfibre: Ensures maximum safety when working near electrical sources, making it the ideal choice for electricians and maintenance workers
● EN131 Professional Standard certified: Meets rigorous safety and durability standards, offering reliability and peace of mind to users
● Safety first design: Features include slip-resistant rungs and feet, a heavy-duty wide stabiliser for enhanced stability and safety.
● Versatility and ease of use: Functions as a 4-in-1 ladder A-frame, extension ladder, stepladder with extended reach, and stairway ladder.
SWITCHTEC
Telergon Firefighter Safety Switch
Switchtec has announced the availability of the Telergon CRS Firefighter Safety Switch, a rapid shutdown device designed to enhance safety in rooftop photovoltaic (PV) installations in the event of a fire or emergency As solar panel installations continue to grow, so does the need for reliable and effective safety solutions The CRS Firefighter Safety Switch offers an essential layer of protection by allowing emergency responders to remotely and safely disconnect the DC current generated by rooftop solar panels In the event of a fire, it is critical to isolate PV modules from the rest of the electrical network to prevent electric shock and ensure safe access for firefighters. The Telergon CRS Safety Switch achieves this by automatically interrupting the DC circuit when the AC grid connection is lost – typically when the fire service disables the AC power supply to the building Once the electrical hazard is resolved, the system automatically reconnects to resume normal operation This smart safety switch combines robust electronics to monitor AC current and perform quick shutdown of the DC circuits, minimising the risk of electrical hazards and protecting both people and property. Strategically installed close to the solar modules, the unit reduces the risk and maximises protection Its compact size and ease of installation make it an ideal choice for new installations and retrofit projects alike
ELUCIAN IP65 Rated Garage Board
Click Scolmore has added a new IP65, 5-way garage board to its growing Elucian consumer unit range. Designed to withstand tough environments and deliver reliable performance, the new Elucian garage board offers a robust solution for both internal and external areas where electrical systems are exposed to the elements It is engineered to provide dependable power in areas where weatherproofing is essential Constructed from high-quality die-cast aluminium, the board guarantees superior strength, corrosion resistance, and long-lasting durability for any installation Its advanced design ensures the IP65 rating is upheld, with a gasket around both the front cover and main body, plus an additional seal around the devices that compresses when the lid is shut for added protection Additionally, the unit is designed to accommodate a security wire, preventing access to the internals, even if unlocked For ultimate flexibility in installation, the unit includes optional 20 mm gland knockouts for easy cable entry For larger cable entries such as M25 and M32, a hole saw can be used to create a custom fit using the guide grooves Prioritising security, the board also features a pre-fitted lock that prevents unauthorised access and tampering, offering peace of mind to both installers and end users
ARMEG
New Impact Masonry Drill Bits
Since Armeg introduced the Twister Impact Masonry drill bits last year, they’ve been a resounding success with electricians On the back of this, two further Impact Masonry drill bits have just been added to the range Firstly, the Twister Impact Masonry XL is another impact-rated bit that features SQS flute technology, but with a longer 110 mm working length for through-fixture drilling Although designed for masonry use, these bits have multi-material capabilities, so a wooden baton can be held to masonry and the drill bit makes short work of both materials before then securely driving the baton with a frame-fixing Secondly, in answer to demand for a depth-stop drill bit suitable for hard materials such as concrete and engineering brick, new Impact Masonry Plus bits bring SQS flute technology to SDS and hammer action drilling Its SDS reinvented! These game-changing bits are made in Armeg’s own factory on the outskirts of Sheffield, and are sold in FSC certified sustainable packs, supporting both British industry and the wider environment.
NETXL
Shelly RGBW PM Relay
The Shelly RGBW-PM is an advanced LED controller that lets you manage and customise your lighting like never before Whether you want to set the perfect ambiance at home, create a vibrant commercial display, or improve energy efficiency, this device gives you full control over RGBW LED strips or even four independent white LED strips It also monitors power usage in real time, helping you optimise energy consumption With responsive, full-colour customisation, you can adjust colours, brightness, and effects to match any mood or setting The Shelly RGBW-PM offers multiple control options, including the free Shelly App, voice assistants like Google and Amazon Alexa, or one of 200+ integrations You can even create automation routines, such as setting the lights to turn green on Tuesdays as a reminder to take out the bins! The device connects directly to your Wi-Fi network, so no additional hub is needed, ensuring seamless control It also supports dimming and scene control, allowing you to fine-tune brightness levels and set predefined scenes for different occasions. Designed to be compact and easy to install, the Shelly RGBW-PM works with both 12 V and 24 V LED strips and integrates effortlessly into existing lighting setups
DETA ELECTRICAL Protect+ Circuit Protection Range
Deta Electrical has extended its Protect+ Circuit Protection product range with new consumer units designed to support the increasing adoption of ASHP technology within new builds. As the new build developers’ consumer unit of choice, the range is designed to meet the latest safety standards while offering a stylish, practical and highly protective solution to all The Protect+ range is a comprehensive range of enclosures, devices, and accessories, engineered to offer maximum protection against circuit overloads, short circuits, and residual earth leakage. Available now, the full product line-up includes:
● Devices including bidirectional Switched Neutral RCBOs, RCDs, MCBs, and AFDD/RCBOs – all compliant with BS 7671:2018+A3:2024 standards
● Accessories such as DIN rail blanks, visor locking kits, meter tail clamps, and flush mounting frames for enhanced installation flexibility and convenience.
C AM E RA CAUGHT ON
SOCIAL SNAPS!
ERIC THELAN: ALTHOUGH THIS SECTION REGULARLY HOLDS AMATEURS AND DIYERS TO ACCOUNT, THIS IS THE EFFORTS OF A PROFESSIONAL INSTALLER AS PART OF AN EMERGENCY LIGHTING CONVERSION OF COURSE, THIS WAS ABOVE A FALSE CEILING, SO OUT OF SIGHT, OUT OF MIND PERHAPS THIS IS THE STANDARD THAT BS 5266 INSTALLERS WORK TO THESE DAYS?
PHILIP GLENN: WOULD YOU NEED TO FIT A NEW ISOLATOR IF AN ALARM IS EVER INSTALLED?
ERIC WILLIAMS: I WAS CALLED OUT TO INVESTIGATE AN OUTSIDE LIGHT, RECENTLY FITTED AS A REPLACEMENT, IN A RENTAL PROPERTY. THE WORK HAD BEEN CARRIED OUT BY A “HANDYMAN” WHO APPEARED TO HAVE DIFFICULTY IN IDENTIFYING WHICH CONDUCTORS WENT WHERE HE’D ALSO CHOSEN A LIGHT THAT WAS TOO LARGE FOR THE LOCATION AND CUT A LARGE LUMP OUT OF THE PORCH STRUCTURE TO ACCOMMODATE IT THIS CAN BE SEEN IN THE THIRD PHOTO SHOWING THE NEW LIGHT IN PLACE BUT ALSO THE SECTION OF PORCH MISSING ABOVE
ADVERTISER
Here is a useful summary of all the adverts that appear in this issue of Professional Electrician. Each is listed with its page number and a direct URL that will get you straight to the relevant online information.
ALL LED Ltd .........................................................pages 4, 5
