Klein is a big name in electrical, and the affordable Klein ET300 circuit breaker finder doesn’t disappoint. For about $30, this popular model calibrates quickly and emits a clear, loud tone and ...

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The classic application for the circuit tracer involves finding which breaker supplies a given 120V load (Photo below). But circuit tracers aren't limited to 120V circuits or simply finding breakers.

Q: Every few hours—sometimes minutes!—my living room and one side of my kitchen lose electrical power. I’ll check the breaker panel and, sure enough, a circuit breaker has tripped…again. Should I call ...

Every electrician has been there: You open a panel, and nothing is marked — or the markings are so outdated, you don’t have confidence in their accuracy. In some ...