Circuit breakers came into vogue around the 1940s and have become more or less the standard for electrical safety in all buildings. If you open up the electrical box in your home and see a bunch ...

If the circuit breaker box is not directly next to the meter, it won’t be far away. Sometimes, you can look on the inside side of the wall directly behind the meter, and the sub-panel will be there.

If you open up the electrical box in your home and see a bunch of small levers, you've got a circuit breaker. A circuit breaker operates on a similar principle to fuse boxes, cutting off circuits ...