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
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
Among the more difficult types of contract damages is a claim for lost profits.

| May 2009
Forget solar, wind and biomass.

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| May 2009
A new report from the Geothermal Energy Association (GEA) shows strong growth in new geothermal power projects continuing into 2009.

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| May 2009
Some cities are modifying streetlights to curb electricity use, reports the Wall Street Journal.

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