If power doesn’t stop when you press TEST ... Not all testers will indicate GFCI status, so check the package. Plug tester into the receptacle, just as you would plug in an appliance.

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 ...

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