All 125-volt, single-phase, 15- and 20-ampere dwelling unit outdoor receptacles must have ____.
A) separate circuit breakers
B) interior grounding
C) GFCI protection
D) exterior grounding

Question

Quizplus · Accepted Answer

According to the National Electrical Code (NEC), all 125-volt, single-phase, 15- and 20-ampere dwelling unit outdoor receptacles must have ground fault circuit interrupter (GFCI) protection to ensure that in the event of a ground fault, the circuit will open and prevent electrical shock hazards to people. Therefore, the correct choice is C.

All 125-Volt, Single-Phase, 15- and 20-Ampere Dwelling Unit Outdoor Receptacles