The 15-amp and 20-amp are all-purpose breakers, running everything from lights and outlets to garage-door openers. 15-amp AFI breaker Arc-fault-circuit-interrupter breakers can prevent fires ...

What is a Circuit? A circuit is a closed loop of electrical conductors and loads (lights, devices and appliances) that allows electricity to flow, kind of like a circular racetrac ...

Before we get into the differences between 15-amp and 20-amp "outlets," we need to agree on some terms. If you're reading this, you're likely talking about the thing on the wall where you plug in ...

This is why people get scared of fuses. A typical 60 amp fuse box might have one 240 volt circuit for an air conditioner or electric range, plus four more fuses for the rest of the wiring in the home.