Article 250 of the National Electrical Code (NEC) focuses on grounding and bonding. This Code Article is divided into 10 separate parts — each identified by a Roman numeral. Because of the terminology ...

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 ...

Arc flash and other electrical hazards can have a devastating impact on workers. Not only can electrical hazards cause fatalities, they can cause disabling, debilitating injuries that can cost up to ...

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 ...