September 2010: Show Issue: Boston


An electric car seems like such a simple, almost childlike, concept—you plug...

Major carmakers worldwide are developing electric vehicles (EVs) and plug-in hybrid-electric vehicles (PHEVs)...

According to a report on, the emerging global lighting technologies market...

Five years ago, on Aug. 29, 2005, Hurricane Katrina leveled homes and businesses...

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| September 2010
One sentence in the IEEE 1584 Standard, IEEE Guide for Performing Arc-Flash Hazard Calculations, frequently has people scratching their heads: “Equipment below 240V need not

| September 2010
Inevitably, when I am in the field, a contractor will ask what code he or she should follow.

| September 2010
I recently spent two days at the American Society of Heating, Refrigerating and Air-Conditioning Engineers’ (ASHRAE) Existing Buildings in Urban Areas conference.

| September 2010
Once a venerable workhorse in commercial lighting, the fluorescent magnetic T12 ballast is now considered a dinosaur.

| September 2010
Last month, I covered common power quality phenomena with regards to the National Electrical Code (NEC).