First, what's a subpanel? In my words, a subpanel is an electrical panel wired downstream from the Service Equipment, which is more commonly known as the main panel. For a lengthy discussion on the ...

This article discusses many common misunderstandings about the function of the neutral wire and its relation to power problems. The subjects of dedicated lines, phase reversal, isolation transformers, ...

The terms neutral, ground, grounded, and grounding often get confused — sometimes with tragic consequences. So what is the difference? Let’s start with the neutral conductor. It’s not just another ...

The multi-wire branch is here to stay; so is ground fault protection. But we should unite these technologies only when it’s a good match. Ground-fault protection and the multi-wire branch circuit ...