August Issue 2009

 

Spring 2008 delivered the perfect storm to Iowa.


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August 2009
In section 250.52(A)(2) of the 2005 and the 2008 editions of the National Electrical Code (NEC), the metal frame of a building or structure is considered to be a grounding ele READ MORE
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August 2009
New flexible solar cell technology developed by a group of engineering researchers at McMaster University, Hamilton, Ontario, has been installed at a bus shelter on campus to READ MORE
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August 2009
An array of 213 solar panels will soon provide electricity to homes served by Duke Energy’s McAlpine Creek substation in south Charlotte, N.C. READ MORE
August 2009
A group of apprentices asked if there is an easy way to locate equipment and wiring method requirements in the Na-tional Electrical Code (NEC). READ MORE
August 2009
Harnessing and coordinating the power of wind, solar and battery storage and smoothly integrating these resources with the grid is a formidable technical challenge, but it is READ MORE

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August 2009