With project labor agreements, unions say they're just trying to bring projects in on-time and under budget. But open-shop contractors say a 'psychological war campaign' is clouding their true intentions
You may work on a jobsite, but that doesn't mean your closet needs to be full of flannel and denim. Construction clothing manufacturers are combining style and durability in the latest garments for today's electrical workers.
Oddly enough, the very same thing that can stop the heart is capable of coaxing it into beating again. Only 50mA of current needs to run through a person's body to shut down its most vital organ, yet a similar shock applied to the chest by means of a machine no larger than a laptop computer can flip a virtual switch to turn it back on.
After government contractors get finished with it, the unprecedented amount of access control and security work predicted for 2003 could go faster than big-screen televisions in a downtown riot, so get in while you can. Looting etiquette applies.
OK, maybe not the whole jobsite, but tedious tasks that used to require time-consuming note-taking and paperwork have been digitized and uploaded to personal digital assistants — the next-generation notepad.
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.