May Issue 2009

 

Article 210 Branch Circuits; Article 240 Overcurrent Protection; Article 250 Grounding and Bonding;

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The good news is that the electrical current through low-voltage cabling—such as telecommunications, security...


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| May 2009
The good news is that the electrical current through low-voltage cabling—such as telecommunications, security or video—is not strong enough to cause a fatal electric shock.

| May 2009
I’ve been creating these quizzes for almost 10 years now, but in reviewing my list of past topics, I realized I have never done one on the basics of fiber optics.

| May 2009
While preparing a presentation, I noticed a photo taken at a facility where temporary power was needed periodically. The facility rented a generator when necessary.

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| May 2009
The National Electrical Code (NEC) development process just keeps rolling along. It is hard to believe that the 2011 NEC revision process is already well underway.

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| May 2009
It seems like the more you attempt to learn about arc flash and electrical safety, the more confusing it becomes.

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