July Issue 2007

 

"Sustainable development involves … meeting the needs of the present without compromising the...


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| July 2007
Class 2 and 3 circuits are defined as the portion of the wiring system between the power source and the connected equipment.

| July 2007
There were 3,688 proposals for changes to the National Electrical Code (NEC) and 2,349 comments processed by the National Fire Protection Association (NFPA) staff at NFPA head

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| July 2007
University of Utah physicists have developed small devices that turn heat into sound and then into electricity.

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| July 2007
Most successful companies today—including those that manufacture the tools used by electricians—say they are market-driven.

| July 2007
There seems to be two conflicting certainties about the photovoltaic (PV) or solar module installation market: It is a rapidly expanding and lucrative opportunity, and curiou

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