EPS Magazine August 2018

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CONTENTS

PUBLISHER

Danny J. Salchert OFFICE MANAGER

Anita Salchert CREATIVE DIRECTOR

Derek Gaylard CIRCULATION DIRECTOR

Pam Fulmer CONTRIBUTING WRITERS

Jeff Jowett Marco Kristen

16 COVER STORY 6 Advances in Ground Testing

BY JEFF JOWETT

FEATURES 16 MYTHBUSTER: The Truth About Recessed Lights and Fire-Ratings

BY MARCO KRISTEN

DEPARTMENTS 22 Industry News 30 New Products 40 Ad Index

PRESIDENT

Danny J. Salchert Executive and Advertising Offices 2009 Eagle Ridge Drive Birmingham, AL 35242 phone: 205.981.4541 fax: 205.981.4544 www.epsmag.net • danny@epsmag.net Electrical Products & Solutions™ is published twelve times a year on a monthly basis by ABD Communications, Inc., 3591 Cahaba Beach Road, Birmingham, Alabama, 35242, USA. Electrical Products & Solutions™ is distributed free to qualified subscribers. Non-qualified subscription rates are $57.00 per year in the U.S. and Canada and $84.00 per year for foreign subscribers (surface mail). U.S. Postage paid at Birmingham, Alabama and additional mailing offices.

Electrical Products & Solutions™ is distributed to qualified readers in the electrical contracting industry. Publisher is not liable for all content (including editorial and illustrations provided by advertisers) of advertisements published and does not accept responsibility for any claims made against the publisher. It is the advertiser’s or agency’s responsibility to obtain appropriate releases on any item or individuals pictured in an advertisement. Reproduction of this magazine in whole or in part is prohibited without prior written permission from the publisher.

POSTMASTER: Send address changes to ABD Communications, Inc., P.O. Box 382885 Birmingham, Alabama 35238-2885

ON THE COVER Photo courtesy of Megger

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Electrical Products & Solutions • August 2018

PRINTED IN THE USA

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cover STORY

MEGGER

Advances in

Ground Testing | | | | | | | | | | | | | | | | | | BY

JEFF JOWETT

THE PRINCIPLES FOR TESTING A GROUNDING ELECTRODE (“ground rod”) were laid down over a century ago and have remained fundamentally unchanged. A grounding electrode must be installed and maintained at an acceptably low resistance. The National Electric Code® (NEC®) calls for 25 Ω or less, a fairly forgiving requirement aimed at prevention of electrocution and fire, not necessarily prime performance of electrical equipment. For commercial facilities, the industry standard is 5 Ω, while the most demanding applications (substation, central office, computer room) may call for 2 or even 1 Ω. What is being tested?

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Electrical Products & Solutions • August 2018

The description commonly seen in the literature is resistance to “remote earth”.

What does this mean? “Remote earth” is a distant point beyond which a fault current will encounter no additional resistance; i.e., because ground currents can spread out radially, a point is reached at which the volume of the earth is so vast that no appreciable increase in resistance is experienced. How far is this? It varies widely, depending on variables like soil type, size of the electrode, and Continued on page 8

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cover STORY

MEGGER

prevailing conditions (moisture). It can be only a few dozen feet, or thousands. If sufficiently low, fault current can bypass the electrical system and “go to ground” harmlessly. If not, by Law of Parallel Resistances, the current will find other paths, through equipment, structure, and people.

Accordingly, measurements taken within the electrical field of the tested electrode

Continued from page 6

rather than at the point of remote earth will be deceptively low and could lead to the conclusion that the ground protection is adequate when it is not.

The established procedure for making this test is to set a metal probe in the soil beyond the

(FIGURE 1) Clamp-on ground tester model

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Electrical Products & Solutions • August 2018

point of remote earth and connected by a long lead. When the tester is energized, a test current is thereby established through the soil, from the probe to the electrode under test. A second probe is then placed at regular spacings in the direction of the current probe and a series of measurements taken. The second probe senses voltage drop and the tester calculates the resistance against the injected current.

This is called Fall of Potential, and enables the operator to recognize remote earth as the point beyond which the readings cease to rise. If no such point is recognizable on a graph, then remote earth has not been reached and greater probe spacing must be attained.

This was the originally established method for testing a grounding electrode, and still is. But in the last quarter of the 20th century, changes and improvements developed with increasing frequency as one technology spun off into another. The most prominent innovation was the development of the clamp-on ground tester, whereby the operator needs only to clamp the unit around a ground rod or grounding conductor and in seconds has the resistance reading (See Figure 1). This method has the huge advantage of ease of operation and is certainly preferred where acceptable. But it has notable limitations.

The reading isn’t necessarily to remote earth but rather to wherever the induced test current can close the circuit by finding Continued on page 12 a return, usually

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cover STORY

MEGGER

Continued from page 8

(FIGURE 2) Sample of Fall of Potential method

via the prevailing utility ground. This cannot be proofed, the way FOP tests can, and just has to be accepted. The clamp-on method is also not applicable everywhere, as is FOP and its derivative methods.

Clamp-on cannot be used to commission new grounds, as there is no path for the inductive test current until the utility is connected. And it cannot be used on large, multiply-connected grids and systems because short-circuit current paths exist entirely through metal.

The traditional method with leads and probes, Fall of Potential and its derivatives, will remain the primary ground testing method of choice (See Figure 2). It is the most rigorous and reliable, the most accurate, and backed by the IEEE ground testing standard. The drawback is that it is a lot of work! Rigorous ground testing is one of the most physically demanding and time consuming electrical test methods. It can involve stringing out prohibitively long test leads, in extreme cases for miles! The operator must pace back and forth, positioning probes and taking readings. And it can all be for nothing, requiring a repeat at longer distances. Physical obstacles can 12

be murderous to procedure. Streets and highways, property lines, rail lines, bodies of water, vegetation, irate neighbors bearing shotguns loaded with rock salt can all impede the progress of a ground test. For the better part of a century, this was part of the nature of ground testing. But in recent years, rapid advances in electronics have begun to provide solutions.

The test circuitry, as described above, requires three or four terminals; at least three for resistance testing and four for resistivity. Modern testers engage the correct terminals with just the flick of the selector switch. There is no more need to jury rig with shunt bars or paper clips,

with the attendant possibility of error. A modern selector accommodates resistivity, 3-pole and 4-pole resistance measurement, 2-pole “dead earth� and continuity measurements, plus clamp functions to be described, merely by the turn of the switch. No more forgetting to disconnect the paper clip and then wondering why the reading is so high!

Enhanced noise suppression facilitates testing grounds in difficult electrical environments like substations. No more guessing the middle of the pointer swing or trying to average jumping digits. Filters which can be disengaged for faster testing when not needed Continued on page 14

Rigorous ground testing is one of the most physically demanding and time consuming electrical test methods which can involve stringing out prohibitively long test leads, in extreme cases for miles!

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MEGGER

Continued from page 12

(FIGURE 3) Test methods visually depicted and formulae automatically calculated

and high voltage options for better signalto-noise ratio are significant improvements. Even more is adjustable test frequency, so that the tester recognizes its own signal among the noise. This capability has now been refined to a range all the way to 200 Hz in half-Hz intervals.

But it doesn’t stop there. Modern testers can now make the search automatically and set the test frequency at the most noise-free level, with the operator needing only to select the feature.

Old testers may have been fun for oldtimers, who like a challenge figuring out what went wrong. But modern units eliminate this potential source of error, as well as expense of time, with automatic indicators that tell the operator of extraneous factors influencing the test, like noise, voltage on the tested electrode, and missed instructions. And the popular clamp function has been added to the most sophisticated models. Whereas a standalone clamp tester has two windings in a single jaw, the built-in version provides two separate clamps, one for current and one for voltage. This readily facilitates three valuable functions. Current flowing on the grounding system can be easily measured, for safety as well as analysis of the quality of the electrical system. An online electrode can be tested without detachment from the system, as the current clamp tells the measurement module how much of the test current is going to ground locally. And finally, the two clamps can act in tandem to provide a completely stakeless test, where the electrical configuration permits (see above).

The old null balance earth testers, with decade switches and a null meter, could be remarkably precise, once the procedure was perfected through practice. But qual14

ity testers with digital displays go a power of ten better, to 1 mΩ! Who cares? Certainly that degree of precision isn’t necessary in testing a grounding electrode.

But it is valuable in resistivity testing, where the additional volumetric calculation can be significantly affected by another decimal. Going farther, modern testers can do the entire calculation, Wenner or Schlumberger selectable, again saving time and eliminating potential error (See Figure 3).

There’s more! Whereas the old time operator was faced with a row of numbers on decade switches and had to extrapolate all conclusions from there, modern units afford the luxury of full-color live graphic displays that show the test in progress while constructing an FOP graph or some other selected depiction. The graphics include probe spacing and functionality as well as tracing background noise to give the operator a clear picture of what extraneous factors may be influencing the re-

sults (See Figure 4). These can be date/time stamped and stored for ongoing maintenance or printed as a test report or certification.

And finally, addressing possibly the most time-consuming and tedious part of ground testing …the incessant walking back and forth…remote control and GPS features have been added to the most sophisticated models. The operator can work alone and walk the line just once, sending a signal back to the tester to record the value at each new spike position until the graphing process is complete. The FOP graph is meanwhile drawn on the display, facilitating recognition of the critical value. Global Positioning has been incorporated into advanced testers so that test reports can be printed with maximum accuracy and clarity.

All these advancements have added a dynamic new element to what for decades had been a largely static and repetitive field of instrumentation. ❏

(FIGURE 4) Noise level graphed in real time to advise operator of possible influences on readings

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feature ARTICLE

Tenmat

MYTHBUSTER:

THE TRUTH ABOUT RECESSED LIGHTS AND FIRE-RATINGS

By Marco Kristen

K

nowledge about the regulations

regarding recessed lights in firerated ceilings can help you avoid costly mistakes and legal actions.

There is to be a great deal of confusion about what exactly fire-rating means, where it is enforced and the solutions available to meet the building code. The widespread adoption of fire-rating codes throughout the United States has made this subject more and more relevant to contractors, builders, architects and homeowners. But instead of decreasing confusion over the issue, continuous changes in State legislations and increased demand for fire-rating code compliant products have far outpaced the availability of education on the topic.

What does Fire-Rating actually mean?

A fire-rating typically states the duration for which a passive fire protection system can withstand a standard fire resistance test. A fire rating is usually given to an assembly consisting of various building materials that can resist the exposure of a standardized fire exposure for a set amount of time, or may contain a variety of other criteria, involving other evidence of functionality or fitness for purpose. It was developed to evaluate the performance of building elements during an intense fire exposure and can be applied to a wall, floor, or roof system.

Municipalities across the United States require fire-rated ceilings, floors and walls for certain commercial or residential buildings. Most of the mandatory fire-ratings occur in multi-story residential structures 16

Electrical Products & Solutions • August 2018

such as apartment buildings, hospitals or hotels. The rating affects ceilings separating the levels directly above and below a residence or office space. The 2015 version of the International Building Codes address this issue explicitly in section 714.4.1.2.

In order to meet this fire code, the ceiling must serve as an unbroken fire barrier for a certain period of time (the usual standard performance rating for 5/8-inch drywall material is 60 minutes); however this time requirement can be greater than one hour, depending on the municipality and application. For example, fire-rated assemblies in assisted living facilities, hospitals and hotels usually require a 2-hour fire barrier or even higher. This is very important to remember when selecting appropriate fire-rated solutions.

Installing recessed Continued on page 18

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feature ARTICLE

Tenmat Continued from page 16

fixtures in a room or hallway of these highoccupancy buildings and maintaining the proper fire-rating of the system can be a challenge, as cutting an opening in the ceiling to install the light fixture compromises the fire rating of the drywall ceiling. If the fire-rating of the ceiling membrane is not being restored, these openings in the ceiling would allow flames and smoke to spread in the unfortunate event of a fire.

To maintain the fire code requirement for the building, the barrier must somehow be restored after holes have been cut for the fixtures. Expensive mistakes are often made when an airtight or “IC” fixture is assumed to be fire-rated.

IC-Rating does not stand for Fire-Rating IC-rated light fixtures were designed and tested for direct contact with combustible materials, including overhead structural material and blow-in thermal insulation. IC-rated fixtures have a thermal switching device that is set to trip if the shell of the fixture reaches 194°F. Cellulose blow-in thermal insulation has an ignition temperature of over 750°F. The thermal switch on the IC-rated light ensures that the fixture will not reach a temperature high enough to catch on fire.

The critical point is that “IC” only states that the fixture was constructed in such a way as to avoid starting a fire, whereas “fire-rating” addresses a fire barrier’s performance in the event a fire has already started and is in progress.

IC-rated light fixtures by themselves are extremely poor flame barriers. Most of them are constructed either from aluminum or light sheet metal that breaks down rapidly when in direct contact with fire and will not provide a flame barrier for any length of time. In case of a fire, the fixture will break down and the fire can now easily spread to the living space above. A fire-rated barrier will help to keep the fire contained, giving the residents additional time to escape. To meet the building code and to maintain the required fire-rating, non-fire-rated lights need additional fire protection.

covers are suitable for various recessed light fixture sizes and luminaires and widely accepted by inspectors and code officials throughout the entire United States. One and two hour Fire-Rated Light Covers are available from a variety of manufacturers at several different price points, and proven to act as a suitable fire barrier when called upon by fire and smoke.

To conclude, choosing the right recessed housing to accomplish the correct fire-rating is not as easy as many contractors or builders may believe. An “IC” label on a recessed light fixture does not imply that the light is also fire-rated.

Solving the problem Lighting professionals and consultants There are several different solutions for with experience in fire-rated environments fire-rated applications with a diverse range are the best source for suitable solutions of prices, approvals and complexity. and can help building professionals to A common solution is prefabricated avoid costly mistakes. ❏ Fire-Rated Light Fixtures, which have a variety of fire testing but are also the most Marco Kristen has been involved in the costly choice. passive fire protection industry for To avoid these expensive lights, many nearly 10 years and is currently serving installers construct boxes from drywall or as Marketing Director at TENMAT Ltd. sheetrock to surround the lighting fixture, The bilingual manager has gained but this is very labor-intensive and may significant experience in leadership, increase the cost of installation beyond discipline and teamwork during his budget limits. military service and later as a collegiate Metal enclosures are also becoming an athlete, playing Division 1 Football. increasing popular choice to the fire-rating Marco holds both a Bachelors of dilemma. However, these are not UL-clas- Science in Management and Marketing, sified and not suitable for every applica- as well as a Masters Degree in Business with a focus in Finance and tion.

A UL-classified and very popular solu- International Business from the tion are Fire-Rated Light Covers. These University of Delaware.

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industry NEWS

San Diego Test Equipment Symposium Presented by Advanced Test Equipment Rentals Opens October 16th Advanced Test Equipment Rentals recently announced this year’s San Diego Test Equipment Symposium (SDTES), the annual test and measurement showcase held in California, will take place on Tuesday, October 16th. Following last year’s success, SDTES 2018 is expected to have more attendees, exhibitors and presenters than ever. Guests can expect manufacturer product demos, presentations on today’s hot industry topics, networking opportunities, and more.

The San Diego Test Equipment Symposium is a yearly event in which leading test and measurement equipment manufacturers exhibit their latest technologies. Industry experts in the fields

of EMC, communications, electrical, power, and a variety of test equipment will be presenting on current and upcoming technology in the industry. Attendees can be a part of this informational event for free and browse through different manufacturer booths for rental or purchasing options. The San Diego Test Equipment Symposium will feature products such as power supplies, amplifiers, oscilloscopes, OTDRs, particle counters, cable analyzers, ESD guns, and many more. Past attendees have included presidents, managers, engineers, consultants, technicians and buyers.

Register at www.atecorp.com/SDTES. ❏

Hy-Brid Lifts Appoints Southeast Territory Manager Custom Equipment, LLC has welcomed Dave Sluis as its Southeast U.S. territory manager. Sluis is focusing on continuing the growth and channel development of Hy-Brid Lifts, Custom Equipment’s line of lightweight low-level scissor lifts.

“There is a lot of growth happening in that part of the county,” said Dan Schneider, Custom Equipment LLC vice president of sales. “Dave’s experience in this industry and strong leadership abilities are just what we need to ensure we’re meeting the needs of contractors in that area.”

Sluis has more than 12 years of experience in the industrial industry with the last four years focused in sales. Prior to join22

ing Custom Equipment, he worked for LiftOne, a material handling and warehouse solutions provider in Charlotte, North Carolina. He also has worked for Southeast Industrial Equipment, a material handling equipment dealer. In addition to his industry experience, Sluis also brings strong leadership skills he gained as a Cavalry Scout in the U.S. Army where he participated in numerous projects to assist in the Army’s future.

“I am very proud to be a part of such a great team at Custom Equipment,” Sluis said. “I am excited to be in the Southeast where there is a great opportunity to present Hy-Brid Lifts to a booming economy. ❏

Electrical Products & Solutions • August 2018

Custom Equipment welcomes Dave Sluis as its Southeast territory manager for Hy-Brid Lifts, the company’s brand of lightweight, low-level scissor lifts.

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industry NEWS

Nora Lighting® Staffs Up To Meet Demand for LED Lighting Products Nora Lighting Executive Vice President Jilla Farzan has announced the appointment of six new Nora team members as the company continues to expand operations.

They include: Isaac Duran and Victor Le, inventory; Janet Inzurriaga, customer service; Marilyn De Veyra and Moises Palo, accounting; and Josh Park, engineering. Duran was recently promoted from the Nora warehouse staff.

“This has been a very significant year for Nora Lighting,” said Farzan.

“We are seeing increased consumer and commercial demand across our entire LED product line. By staffing up in these key departments Nora will continue to deliver excellent customer service with personalized attention, innovative products and timely deliveries.

“It’s a pleasure to welcome these six new members to our growing Nora family,” she said.

Nora Lighting offers one of the industry’s most comprehensive lines of LED products for residential and commercial applications, including: LED dedicated and retrofit downlights; smart LED RGBW downlights; LED track and rail fixtures; LED edge-lit panels; center basket troffers;

Nora Lighting new staff members include: Josh Park, engineering; Janet Inzurriaga, customer service; Marilyn De Veyra, accounting; Victor Le, inventory; Isaac Duran, inventory; and Moises Palo, accounting.

LED MLS (multi-lighting systems); LED linear and under cabinet lightbars; LED puck lights; LED high-output, Hy-Brite, side-lit, CCT (color correlated) RGB, RGBW and standard tape lights; LED pendants; LED step lights; and LED emergency / exit signs.

Along with LED fixtures, Nora manufactures incandescent and fluorescent sources in track and rail systems, recessed lighting, multiple lighting systems, under cabinet and an expanding series of accent lights, including pendants. www.noralighting.com. ❏

RIDGID® Names Tim Dunphy Marketing Director of Underground Technologies Tim Dunphy has been named Marketing Director of Underground Technologies for RIDGID® in Elyria, Ohio. In this role, Dunphy will manage new product development, partner relations and new business opportunities for the RIDGID line of diagnostics, inspection, locating and drain cleaning products.

Dunphy is an accomplished marketing leader with global expertise in market and brand strategy, new product development, omni-channel marketing communications, and market research. He has more than 20 years of experience in consumer-packaged goods and durables marketing. His proven ability to develop and 26

Tim Dunphy

Electrical Products & Solutions • August 2018

implement marketing strategies, combined with his knowledge of the tool industry, make him an asset to the RIDGID team.

“Tim is a proven leader who brings a wealth of knowledge and experience to our Underground Technologies team,” said Wyatt Kilmartin, vice president and general manager, global underground technologies, RIDGID. “RIDGID continues to push the envelope in the diagnostics, inspection, locating and drain cleaning categories and Tim is well-suited to drive our next-level innovations.”

Dunphy holds a Bachelor of Science degree in Marketing from the University of Florida. ❏

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new PRODUCTS DEWALT Announces Metal Tool Storage Line Expansion New Metal Storage units are made in the USA with global materials DEWALT announces the expansion of its Metal Tool Storage line, including top chests, workbenches, and rolling cabinets ranging from 26-to 52-inches wide as well as 18-inches to 21-inches deep for ample storage solutions.

Each is made in the USA with global materials.

The 21-inch depth metal storage options include the 41-inch Wide Tool Chest (DWST24071) and Rolling Cabinet (DWST24071) combination, the 41inch Wide Mobile Workbench with Wood Top (DWST24192), and 52-inch Tool Chest (DWST25182) and Rolling Tool Cabinet (DWST24191) combination.

They are each constructed of double-wall steel for strength and durability. The drawers in the rolling cabinets provide a 200-pound load capacity with one 300-pound, full-width load capacity drawer. Each drawer of all 21-inch deep units features full-extension ball-bearing drawer slides that are equipped with the POSI-LATCH® drawer latching system for easy release. The 21-inch units each include an integrated power and USB port in the top chests and mobile workbench as well as a keyed internal locking system and embossed drawer liners and top mats in each unit. Each top chest and rolling cabinet combination offers an overall load rating of 2,500 pounds with reinforced mounting channels and four 6-inch by 2-inch casters, for easy mobility around the shop floor. These storage units are perfect for mechanic’s tool sets, hand tools, and accessories storage needs and more.

Available now where DEWALT products are sold, users can choose from a variety of sizes and depths in top tool chests, rolling tool cabinets, and mobile workbenches. Each 21-inch and 18-inch deep storage unit is sold separately.

For more information, visit www.dewalt.com

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new PRODUCTS Emerson Adds New Greenlee® Circuit Seeker™ to its Test and Measurement Tools New CMGRT-100A and CS-5000 test tools are ergonomically designed and include industry-leading safety features Emerson recently announced the expansion of Greenlee’s test and measurement offering to include an ergonomically designed, high-quality Circuit Seeker and Ground Resistance Tester.

The new Greenlee CS-5000 Circuit Seeker can identify, trace and find faults in electrical circuits. It can operate on live circuits without disrupting service or can operate effectively on de-energized circuits. Additionally, the Greenlee CMGRT-100A Ground Resistance Tester is rated CAT IV,600V and includes an industry-leading safety feature which warns if dangerous voltage is detected. The tester also features a large, bright display that is easy to read.

“We engineered these instruments to be highly versatile and rugged, based on customer feedback,” said Keith Moffatt, product manager for Greenlee, Test and Measurement, Emerson Commercial & Residential Solutions. “Safety, productivity and ergonomics are always foremost in our minds, and in the minds of our customers as well.”

Greenlee CS-5000 Circuit Seeker The Greenlee CS-5000 has several unique features that support productivity and improve safety. The front-facing LED display promotes an ergonomic working posture, while the overmolded grip design reduces hand fatigue. The “Auto-Gain” technology automatically adjusts the seeker’s sensitivity and increases both accuracy and speed when locating breakers. The receiver and the transmitter have LED indicators to warn if there is live voltage on the circuit being tested. The CS-5000 supports transmitter-to-receiver distances up to four miles for closed circuit tracing.

For more information, visit www.Emerson.com

Klein Tools® Enables Professionals and DIY-ers to Customize Tool Bags Iconic canvas bags now available with custom labeling Klein Tools, for professionals since 1857, introduces the Signature Series Canvas Tool Bags, which can be customized with a name, date or phrase up to 15 characters. These versatile bags enable all Klein Tools customers, professionals and DIY-ers alike, to carry tools or personal items to and from the jobsite, office or a weekend getaway.

Signature Series Custom Tool Bags (Cat Nos. 510212EMB, 510214EMB, 510216EMB, 510218EMB) • Timeless design showcases American craftsmanship • Customize with your name, company, favorite team or other meaningful name, date or phrase • Embroidery available in brown, Arial font with capital letters, numbers and symbols of up to 15 characters (including spaces) • Made with heavy-duty No. 8 canvas with a rivet-reinforced opening and a steel-hinged frame for increased durability • Stitched and riveted leather handles provide added comfort and strength • Moisture-resistant vinyl lower side and bottom as well as non-scratch studs on the base prevent wear • Available in four convenient sizes – 12” (Cat. No. 510212EMB), 14” (Cat. No. 510214EMB), 16” (Cat. No. 510216EMB) and 18” (Cat. No. 510218EMB) • Select sizes also sold with shoulder strap kits, which include a leather strap with shoulder pad, snap hooks and rings with fasteners for attachment as well as 10 interior pockets for organization – 14” (Cat No. 510214SPEMB), 16” (Cat. No. 510216SPEMB) and 18” (Cat. No. 510218SPEMB) For more information, visit www.customkleintools.com 32

Electrical Products & Solutions • August 2018

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new PRODUCTS Milwaukee® Announces the Industry’s Most Durable Tape Measure – The STUD™ Milwaukee Tool delivers ground-breaking innovation to tape measures with the introduction of STUD™ Tape Measures. Through new-to-world EXO360™ Blade Technology, these tape measures feature the longest-lasting blade that is both rip and wear resistant. This technology is combined with a fully reinforced frame and impact-resistant overmold, making STUD™ Tape Measures the most durable tape measures in the industry.

“Milwaukee® tape measures set the standard beginning in 2013 by delivering extraordinary durability and longest life to the industry. This year we are taking durability to the next level and addressing the most common and unsolved user issue: tape tear. Tape measure blades tear on the jobsite for various reasons including fast retraction, whipping, jobsite contaminants, and more,” said Brandon Miller, Director of Product Marketing for Milwaukee Tool. “STUD™ was designed from the ground-up to solve the issue of tape tear through the first ever technology that protects the blade from ripping and wearing. With this new technology, we have also increased the abrasion resistance by 10X of what we offer today so the numbers won’t wear out.”

Milwaukee developed EXO360™ Blade Technology to ensure optimal blade performance and resistance to ripping and wearing. This strong, protective nylon coating wraps 360° around the blade to give users the blade durability they demand out of a tape measure.

For added functionality, STUD™ Tape Measures deliver up to 10’ of straight standout and a patented finger stop mechanism.

Finger Stop protects users’ fingers during blade retraction and maximizes stability during layout applications. The tape measures also include an improved wire form belt clip that has been optimized for bag/belt storage and reducing pocket tearing.

For more information, visit www.milwaukeetool.com

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new PRODUCTS Columbia Lighting Introduces New MultiPurpose Linear for Cost-Effective Continuous Lighting Applications Performance without sacrifice to aesthetics or capability drove the development of the new MultiPurpose Linear from Columbia Lighting. With continuous illumination, integrated controls, multiple lens options and single or row mounting, MultiPurpose Linear is adaptable to any environment.

The versatility of the MultiPurpose Linear makes it appealing to a variety of decision makers involved in commercial lighting projects. Engineers will be empowered to specify target performance metrics, designers will be pleased with the aesthetics and users will have the option of adding on energy-saving control capabilities or tunable white.

The MultiPurpose Linear is available in 2 , 4 or 8 lengths with multiple mounting options for every application, be it surface, wall, suspended, pendant, t-bar or continuous row. When row mounted, it provides a smooth, uninterrupted ribbon of light that can be specified with Wide and Narrow distribution options for open area or aisle applications.

While the MultiPurpose Linear comes standard with a white housing, current interior design trends dictated the need to bring additional housing options to the market. Matte Black and ZET Metallic Silver housings are also available to ensure the MultiPurpose Linear will complement the design ambitions of the space it occupies. The curved and flat lenses offer a soft, clean form with a smooth profile between lens and housing. It is also available without a lens if preferred, wire guards and decorative end caps.

For more information, visit hubbelllighting.com

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advertiser INDEX

AUGUST 2018

This advertisers index is compiled as a courtesy to our readers. While every effort is made to provide a complete and accurate listing of companies, page numbers and reader service numbers, the publisher is not responsible for errors.

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RS#

Company

AEMC INSTRUMENTS IBC, 11 AUTAC INC 20 BARRON LIGHTING 3 BOLT STAR LLC 40 CHALFANT MFG 34 COLONY CUSTOM METALS LLC 28 CONDUIT REPAIR SYSTEMS 4 CONTINENTAL CONTROL SYSTEMS, LLC 30 COPPER DEVELOPMENT ASSOCIATION 9 DABMAR LIGHTING 36 DOVE NET TECHNOLOGIES, LLC 24 EAGLE TOOL US 27 EZ BOX ELECTRICAL SYSTEMS SOLUTIONS LLC 5 GEAR ARC SAFETY 39 GENERATOR INTERLOCK TECHNOLOGIES 29 GRIPLOCK SYSTEMS, LLC 31 HERCULES INDUSTRIES, INC 40 IPEX USA 25 KOLBI PIPE MARKER COMPANY 38

2, 11 16 5 48 26 22 6 42 9 43 19 21 7 29 23 24 47 20 45

KRALOY FITTINGS KRENZ & COMPANY MEGGER MILLER SAFETY CONSULTANTS, LTD MITSUBISHI ELECTRIC PLATINUM TOOLS POWER & TEL RANDL INDUSTRIES ROCKET RACK ROLL-A-REEL RUNTAL NORTH AMERICA SP PRODUCTS THE HOME DEPOT TIMCO INSTRUMENTS TOPAZ UEI TEST INSTRUMENTS USA LED SOLUTIONS UTILITY METALS

Company

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33 36 7 IFC 1 19 15 21 38 30 37 17 13 23 8 BC 35 10

25 44 8 1 4 15 13 17 46 41 28 14 12 18 40 3 27 10

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