During a routine generator test at a hospital, the results revealed the need to reset the hospital’s molded-case circuit breakers (MCCBs) to the correct value per a coordination study. One of the ...

Nobody looks forward to a power outage. After all, we rely on electricity to power appliances. And when there is a blackout, the situation can move from a minor to a stressful one quite easily. That ...

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 ...

Circuit breakers, despite any techy magic happening beneath the surface, should be the most predictable things in the world.

We may receive a commission on purchases made from links. Without circuit breakers, the electricity running through your walls could damage wiring and cause fires. There are several reasons why you ...