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 ...

It's only a circuit breaker. How hard could it be? A surprising number of engineers specify the wrong type of circuit breaker to protect their equipment. Engineers ...

Dear James: I am concerned about a fire from an electrical issue in my older house. What are the differences among fuses, breakers, GFCI and AFCI, and which are best? — Peggy T. Dear Peggy: You are ...

Most places you live in today will manage their electrical power via circuit breakers, though fuse boxes predated that technology in the early 20th century.

Residential and commercial circuit breakers face three major challenges: detecting arc faults reliably, reducing false trips ...