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
Answer: C
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(a) 12.08% per year (b) 12.28% per year (c) 12.48% per year (d) 12.68% per year
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