January Issue 2000

 


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January 2000
Cable trays were introduced in the United States in the 1940s as a kind of shield and support for power cables. READ MORE
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January 2000
A few revisions to the 1999 National Electrical Code which are of interest and worthy of comment: READ MORE
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January 2000
Gone is the gritty, sooty steel town of Pittsburgh. Over the past two decades, Pittsburgh has transformed itself into a clean city full of renewed energy and growth. READ MORE

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January 2000