Class A motorhomes and smaller campers typically run on both AC and DC power. The former is your electrical hookup at the campground. It runs the energy-demanding thing like your air conditioner, ...

Have you ever come across a system that has tripped its circuit breaker and thought, “Great, a nice, easy service call. I’ll just need to reset the breaker and be on my way.” Well, it rarely turns out ...

The plant has been experiencing nuisance tripping of circuit breakers. Sometimes it’s a feeder breaker, sometimes it’s a branch circuit breaker. The procedure for addressing these trips is: Use a DMM ...

Churning with voltage and resembling an explosion at the wire factory, the breaker panel exudes mystique. But it's just a big switch, filled with other smaller ­switches, which lead to the switches ...

The SureTrace™ Circuit Tracer Pro redefines what a circuit tracer can do. With numerical voltage readings, continuity testing, AC amperage readings, contactless tracing, and receptacle testing, it's ...

Circuit breakers are designed to keep you and your family safe from fire, but one brand of breaker might not only fail to protect your family – it could actually cause a fire. “There’s thousands of ...

Several areas of the facility suddenly go dark. A quick investigation reveals the power loss originated at the service supplying those areas. None of the breakers on that service has tripped. Another ...