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?

A 240-volt service powers heavy-duty appliances like ovens, air conditioners, water heaters and electric dryers. If something goes wrong in that panel, it may cause those systems to fail, damage 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 ...