Q: Several weeks ago, I read your column about installing electrical wiring. I’m curious about circuit breakers. What is the primary purpose of circuit breakers? Are there different types of breakers?

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 ...

Forbes contributors publish independent expert analyses and insights. I write about how to do more with your consumer gadgets. Circuit breakers, breaker panels, breaker boxes, fuse boxes—no matter ...

Use a digital multimeter (DMM) instead of a voltage pen for accurate power verification, and always follow proper ...

It’s a wise idea to add a heavy duty circuit breaker, very large fuse, or a fusible link in the main power circuit for 1960s General Motors cars between the battery and the main bus bar feed to the ...

Why are people scared of fuses? Many people think that fuses are unsafe, but this couldn't be further from the truth. A properly installed fuse is just as safe as a circuit breaker, but there are many ...

Heat pumps are energy-efficient and reduce emissions; we turned to experts to determine if one will work in your home.

Moving into a new house is equal parts thrilling adventure and unsettling mystery. You’re taking on a space crammed with unknowns, some of which won’t manifest until you’re comfortably settled. We try ...