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
One way electrical contractors (ECs) ensure safety is to install smoke alarms in every home they wire.

| 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
Two of my previous articles go well with this one. “Are Your Estimators Bored?” (March 2006) and “Never Stop Bidding Work” (March 2008).

| 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.