When clients call you because operating problems on pieces of their 120V equipment cause them to suspect their facility's power supply, you have to decide where to start your investigation. Don't ...

The most dangerous electrical failures rarely arrive without warning. Long before a breaker trips or a fire starts, your ...

Locate the circuit breaker or fuse that controls the outlet you plan to replace and shut off the power to the circuit. Plug a lamp, radio or the GFCI tester into the outlet to test for power and make ...

Ground fault circuit interrupter receptacles, otherwise known as GFCI’s, help prevent electrocution by stopping the flow of electricity through an outlet when a problem is detected. GFCI’s do however ...