Save guides, add subjects and pick up where you left off with your BBC account. For electricity to flow, everything needs to be connected in a big ring. It’s called a circuit. For example, the ...

The panel also protects the home’s electrical system by housing fuses or circuit breakers which will turn off the power in the event of an overload or short circuit, potentially preventing ...

It’s easy to take your home electrical system for granted — until it stops working. No one wants to be without light, air conditioning or a working refrigerator, so you might be tempted to ...

Electrical plugs and outlets come in many different shapes and sizes. Why do the holes in electrical outlets have such ...