By Jeson Pitt, online marketing manager, D & F Liquidators Do you want to add a new circuit in your house? It can be a dangerous job if you are trying to do it on your own. However, with the right ...

Then, set the tester to the correct setting for the system voltage you are testing. Carefully touch the tester’s probes to the designated points on the fuse box or circuit breaker to get a reading.

Most places you live in today will manage their electrical power via circuit breakers, though fuse boxes predated that technology in the early 20th century.

Most places you live in today will manage their electrical power via circuit breakers, though fuse boxes predated that technology in the early 20th century.