September Issue 2010

Featured Articles

It's Not a Gas! Electrical Vehicles are Here!

By Chuck RossUnder (Systems)

An electric car seems like such a simple, almost childlike, concept—you plug it in, charge it up, a

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How Low Can You Go?

(Codes & Standards)

By

James G. Stallcup

September 2010

I recently found out that electrical engineers and electrical personnel do not always use the same thought process when classifying low-voltage systems, such as Class 1, 2 an READ MORE

An Engulfing Disaster

(Miscellaneous)

By

Claire Swedberg

September 2010

Five years ago, on Aug. 29, 2005, Hurricane Katrina leveled homes and businesses along the Mississippi Gulf Coast and flooded the city of New Orleans. READ MORE

Energy Savings From Building Retrofits Not So Efficient

(Miscellaneous)

By

Rick Laezman

September 2010

Achieving efficiency from building retrofits has become one of the latest targets in the energy-reform movement, but so far, attempts have failed to pierce the bull’s-eye. READ MORE

Branch-Circuit, Feeder and Service Calculations, Part LV

(Codes & Standards)

By

September 2010

Last month’s column covered the first two types of connected loads to which the demand factors in Table 220.84 apply. READ MORE

Three Ways to Save

(Systems)

By

Jim Hayes

September 2010

The required test for every installed cable plant is loss or, to be more specific, insertion-loss testing with a light source, power meter, reference cables and mating adapte READ MORE