January Issue 2009

 

At a time when things could not look much worse economically, there is...


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| January 2009
Metal halide lamps occasionally fail "non-passively" at end of life, which may cause hot quartz elements to be ejected from the light fixture, presenting a fire risk.

| January 2009
One of my junior estimators asked, “What is a clock outlet?” So I wrote her back a simple answer. Yeah right. Me? A simple answer? Ha!

| January 2009
A faithful reader of ELECTRICAL CONTRACTOR asked how to design and install high-voltage feeders according to the 2008 National Electrical Code (NEC).

| January 2009
According to the FBI, there were more than 1.4 million acts of violent crime, or 466.9 offenses per 100,000 Americans, in 2007.

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| January 2009
In April 2008, when tornadoes were threatening Jackson, Mississippi, many residents were not alerted to the severe weather because five tornado-warning sirens didn’t work; the

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