May Issue 2009


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


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

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| May 2009
A hard day's work on-site is tiring enough. Contributing discomfort from the use of a wire cutter or power drill begs a solution.

| May 2009
One small city in the beaver state—Independence, Ore.—is now home to a landmark project that is blazing a trail in the field of green building.

| May 2009
Duct detectors are installed through the wall of a duct in order to sense whether smoke is present in the air-circulation system.

| May 2009
Every cloud has a silver lining, as the saying goes. This is one silver lining that builders and electrical contractors can plug into.