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

An older couple taking a look at their circuit breaker box - Coldsnowstorm/Getty Images Circuit breakers can be frustrating. You're happily bopping through your day, perhaps craving an English Muffin, ...

Every year, we read about electricians, engineers, and supervisors who were seriously burned or killed while working in or near a circuit breaker (CB) compartment. I’ve personally investigated ...

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 ...

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 ...

Large circuit breakers in service today at industrial and commercial facilities come in many shapes, sizes, configurations, and voltage ratings — with the primary purpose of protecting electrical ...

Ground Fault Circuit Interrupter outlets quietly guard the most dangerous spots in your home, cutting power in a fraction of ...

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 ...

Q: We are selling our house, and the new buyers had a home inspector check it out. One of the items he found was in the main electrical panel. He said there are two wires attached to one breaker and ...

The PME-500-TR represents a breakthrough in the concept of testing, timing and condition-based analysis of medium- and high-voltage circuit breakers and combinations with disconnectors. Fast ...