Mạch nhánh & Đi dâyCâu 161 / 521
A 125-volt receptacle located within 6 ft of the outside edge of a bathtub or shower stall in a dwelling requires what protection?
a.AFCI only
b.GFCI
c.No protection
d.Surge only
Giải thích
Section 210.8(A)(9) requires GFCI protection for receptacles located within 6 ft of the outside edge of a bathtub or shower stall because of the wet environment. AFCI alone protects against arcing, not shock; 'no protection' and surge-only do not meet the requirement.
Trích dẫn luật: 2023 NEC §210.8(A)(9)Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- At each conductor splice point, outlet, switch point, or junction in a raceway or cable system, what must generally be installed?
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