Before you go shopping, open the door of your breaker box and ... With any panel, find the large cables and the lugs they're connected to. They're the parts that are always live, even when the ...

Churning with voltage and resembling an explosion at the wire factory, the breaker panel exudes mystique ... switches—merge into single, standard parts, which are easier to install and understand.

Once you open the door, you will usually — but not always — see the words “Stab-Lok” in the center or on the side of the breaker panel. • A website called Inspect­APedia supplies photos ...