The grounding and bonding requirements of the NEC might just be the least understood and most incorrectly interpreted section of the Code. In fact, some of the same questions pop up time and time ...

All Code references are based on the 2005 NEC. The grounding and bonding requirements in this column apply to solidly grounded systems that operate at not more than 600V, including 120/240V, 120/208V, ...

Few topics in the industry elicit as much controversy as grounding. Poor grounding practices cause ongoing equipment problems in a facility, whereas proper deployment ensures reliable and productive ...

The appeals were denied, and now the clock is ticking. Contractors should brace for callbacks and be prepared to track data ...

A friend who was buying an older house was concerned about electrical safety and asked for my opinion as an electrical engineer. All of the AC receptacles (also called outlets) in the house were the ...