Article 200 provides the requirements for using and identifying grounded conductors. But because the term “grounded conductor” is used throughout the NEC, Art. 200 doesn’t define it. Article 200 ...

The NEC uses terms like equipment grounding conductor (EGC) but does not mean to actually provide grounding via that conductor. How can this be? Let’s first look at what the NEC considers to be ...

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 ...

Don't make these mistakes, DIYers.