Testing a circuit breaker is about judging reliability under fault conditions, not just checking continuity or voltage. A ...

Here's what to look for, and how to fix what you find. Working on your own home is empowering, and it saves you money. Even ...

The National Electrical Code (NEC) requirements for arc fault circuit interrupters (AFCIs) have become more stringent with each passing Code cycle, stirring up much discussion and debate among ...

What distinguishes a medium voltage circuit breaker from other types is not the enclosure or operating mechanism, but the method of arc extinction. The interruption medium governs arc energy, ...

Electrical components, like motors close motorA device which spins when current flows through it. Motors are used in fans, food processors and many other devices. and lamps close lampA component which ...