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 ...

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 ...

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 ...