Electrical Contractor Magazine

July 2011: Control Systems

 

“VPP” is the latest electricity-system-of-the-future phrase in the expanding smart-grid lexicon.

Do your customers prefer a traditional or converged approach to their building automation infrastruc


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July 2011
There is a new technology using low-voltage lighting power distribution at 30 volts (V) or less where the suspended ceiling grid is a lighting power distribution system. READ MORE
July 2011
Less than 10 percent of construction lawsuits go to trial. There are reports that the number is actually less than 5 percent. READ MORE
July 2011
Two different instruments that are often described as “works like radar” can test copper and fiber cabling. For copper, it is a time-domain reflectometer (TDR). READ MORE
July 2011
Lately, efficiency has emerged as one of the driving forces of the effort to reform national energy consumption—an equal partner with the likes of solar power, windmills and e READ MORE
July 2011
"LED" is often used in casual converstion, and most people think they know what these initials stand for. Actally, most people don’t. READ MORE

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July 2011