GFCI de-energizes the circuit if an unsafe flow of current to ground is detected. Receptacle testers are designed for use with specific receptacle types. There several basic types of electrical ...

Circuits (15- and 20-amp) for gas dryers must have both GFCI protection and arc-fault protection (AFCI or AFI). Even where AFCI/GFCI outlets (and even blank "receptacles") exist for adding ...