December 2010: Lighting


The interest in and, in some cases, the mandated requirement of implementing...

Noted for their efficiency and flexibility, light-emitting diodes (LEDs) are often billed as...

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| December 2010
Part 1 of this article on changes in the 2011 National Electrical Code (NEC) addressed significant revisions to Article 90 and Chapter 1.

| December 2010
The title of 110.31 in both the 2008 and the 2011 National Electrical Code (NEC) indicates this section deals with enclosures for electrical installations operating at more t

| December 2010
As a guest speaker at a meeting of electricians, I was asked to address how to determine the number of receptacles required for commercial buildings and if their installation

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| December 2010
This month, Code in Focus covers an optional feeder and service load calculation for two dwelling units that are supplied by a single feeder.

| December 2010
If you have a problem related to the National Electrical Code (NEC), are experiencing difficulty understanding a Code requirement, or are wondering why or if such a requireme