As we explained in Lesson Four, wireless computer networks are becoming a major part of the networking market. This is true not only for residences, but...More
Maintenance costs were staggering for the 25 year-old lighting fixtures installed in Hillsboro Village a high traffic, historic retail area adjacent to...More
Timing is everything, in product launches as well as in life. When the product development team at Generac Power Systems Inc., Waukesha, Wis., launched...More
Thomas & Betts Corp., Memphis, Tenn., announces the 2001 Signature Award to honor creative solutions, innovation and outstanding performance by electrical...More
This situation violates Section 410-58(d). Grounding type attachment plugs and mating cord connectors and receptacles must be designed so that the grounding...More
Hot markets and a robust economy characterized 2000 for many of the nation’s largest electrical contractors. “We’re coming off a good year...the best...More
WHAT'S WRONG HERE? Give the specific 1999 NEC references related to any violations you find. Write Joe a Violation Notice rather than sending in a copy...More
Winston Churchill once said Russia was a riddle wrapped in a mystery inside an enigma. I feel much the same about the role of the electrical contractor...More
Improved ergonomics and wider distribution are providing electrical contractors with a bigger and better choice of hand tools and more places to buy them...More
This installation violates Section 300-20(a). Where conductors carrying alternating current are grouped together and installed in metal enclosures or...More
The Code is his passion. Steven Stack, of Waxhaw, N.C., lives, breathes and sleeps the NEC through his full-time job as an electrical inspector and his...More
Theres a place in this world for the angry, overbearing boss. But, curiously, its rarely the top place anymoreunless the place happens to be run by the...More
To battle a critical shortage of professional electrical and technical workers, the National Electrical Contractors Association (NECA) is taking aim at...More
The Internet Home Alliance, a non-profit association of high-tech and consumer companies formed to enhance consumers' understanding, appreciation and...More
Cable anchoring tool saves time and money The StrapGun is said to provide significant time and cost savings over traditional wire-anchoring methods. Said...More
Industrial printers have high resolution Two industrial-use high-resolution thermal printers DMX-I-4406 and DMX-I-4604 are designed for applications that...More
GFP levels in hospitals Q My question concerns required levels of ground-fault protection (GFP) in health-care facilities. The facility is a medium-size...More
ENCOMPASS NAMES NAIZER PRESIDENT OF ELECTRICAL TECHNOLOGIES HOUSTON Encompass Services Corp., a provider of facilities systems and services, has named...More
You can classify bids into five major categories, including competitive bid, design/build, negotiated work, time and material (fixed fee) and unit pricing....More
This conduit was completely rusted through, and the feeder conductors were still supplying a panelboard. The probable cause here may have been from the...More
Tara Jean Hart is a woman with a mission. She's one of those against-all-odds success stories you see on TV and in movies like Erin Brockovich but seldom...More
SAN JOSE, Calif. Cupertino Electric, an electrical contracting firm that designs, builds and commissions electrical infrastructure, has announced its...More
The February issue had several potentially misleading statements regarding ConEst Software Systems, Londonderry, N.H. Information from another software...More
ANAHEIM, Calif. In Disney's new California Adventure theme park, lighting design doesn't stop just because the lights are on and the gates are open. For...More
LEDs have unique and compelling characteristics that make them ideal for industrial lighting applications. But there are a variety of misconceptions about LEDs, how well they work, how long they last, and more. Digital Lumens developed this whitepaper to dish up the facts around LEDs and address some common misunderstandings....More
An arc flash is associated with the explosive release of energy caused by an electrical arc, due to either a phase-to-ground or a phase-to-phase fault. This kind of fault can result from many factors – a dropped tool, accidental contact with electrical systems, buildup of conductive dust, corrosion or improper work conditions.....More
Abstract: In this webinar, Mike will not only explain the current NEC requirements for GFCIs and AFCIs, but he'll explain how they operate, what causes their premature failure, and when they won't provide the safety protection you might have thought they would.
Abstract: This webinar will teach attendees the difference between risk and hazard, and how the choice of system grounding has a direct impact on reliability and safety.
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