Only about 400,000 out of 2 million practicing engineers in the United States are actually licensed by the state in which they practice, says Al Gray,...More
Hydrogen fuel cells have been hailed by some as the solution to our country's dependency on foreign oil, particularly when it comes to fueling automobiles....More
As vice president of Fisk Electric Co., Steve Thorwegen's plate is usually pretty full. Management, administrative, and strategic planning tasks comprise...More
Energy codes many designers and builders view them as a necessary evil or just another set of requirements that must be dealt with in order to obtain...More
Looking for the latest info on residential lighting? Try the American Lighting Association's recently updated Residential Lighting Training Manual. Now...More
Now required by most energy codes, automatic shutoff of building lighting has proven to be a reliable source of energy savings. For example, the ASHRAE/IES...More
When we first started to pull this month's issue together I felt like I had a pretty good idea about the hot topics in the world of lighting. But after...More
In recent years, the sustainable design movement has returned daylighting to the fore of mainstream construction. In its simplest definition, daylighting...More
Keeping corporations happy while ensuring necessary safety standards can be tricky for state governments, especially when major companies are threatening...More
Sizing battery banks for switchgear and control applications is commonly performed using software designed specifically for that purpose. Just input the...More
In support of this month's theme on electrical design, the EC&M editorial team, our Code consultants, and contributing authors worked long and hard to...More
Engineers would be rich if they had a nickel for every time someone asked them, So, what does an engineer actually do? A general lack of awareness about...More
Tis the season for rebates, but tax rebates aren't the only incentives for implementing energy-efficient products. In its February issue, Electrical Wholesaling...More
From the realm of pure science fiction just a few decades ago, automated systems have become ubiquitous in buildings both commercial and industrial. The...More
Not without controversy, the Construction Specifications Institute (CSI) officially published MasterFormat 2004 in August of that same year. The new standard...More
Are overcrowded data centers becoming too hot to handle? Sometimes especially in businesses with traditional under-floor air distribution systems and...More
According to a recent report released by Cleveland-based industrial market research firm The Freedonia Group, U.S. demand for lamps is forecast to advance...More
Contrary to popular belief, stray voltages are not lethal, according to Jim Burke, executive consultant at electrical consulting firm Synergetic Design,...More
Let's face it: The grid can be unreliable. Evergreen, Colo.-based Research Reports International estimates that nearly 20% of underground transmission...More
Whether you're working in an industrial, manufacturing, or institutional environment, there's no doubt that electronically adjustable speed drives (ASDs)...More
The ideal computer power system for data centers these days places a tall order for electrical designers. Just stop and think about all of the requirements....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.
