As noted in NFPA 70B, insulated-case and molded-case circuit breakers should be kept clean of external contamination (Comstock/Stockbyte/Thinkstock). Low-voltage ...
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 ...
Your home’s electrical system probably looks the same from the outside after a repair or upgrade, but behind the metal door of your breaker box, something critical may be out of date. The panel ...
Your circuit breaker is not supposed to be a daily annoyance you grudgingly reset on the way to making coffee. When it starts ...
The National Electrical Manufacturers Association recently published a new version of NEMA AB 4-2017 Guidelines for Inspection and Preventive Maintenance of Molded-Case Circuit Breakers Used in ...