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 ...

Q. My home was built in the 1950s, and I don’t have ground fault circuit interrupter outlets. Should I have them installed? A ground fault circuit interrupter, or GFCI, protects people and animals ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? What’s better, a GFCI outlet or a GFCI circuit breaker? BILL H., CASPER, WYOMING Both ...

A typical low-voltage variable-frequency drive. Industrial facilities commonly use variable-frequency drives (VFDs) to control the speed at which alternating current motors operate. Let’s examine a ...

My introduction to circuit protection came at the tender age of eight. Being a curious lad with an inventive – and apparently self-destructive – bent, I decided to make my mother a lamp. I put a hose ...