Mạch nhánh & Đi dâyCâu 132 / 521
In a dwelling, a hallway of what length or more must have at least one receptacle outlet?
a.10 ft
b.6 ft
c.15 ft
d.20 ft
Giải thích
Section 210.52(H) requires at least one receptacle outlet in dwelling hallways 10 ft or more in length, measured along the centerline without passing through a doorway. Halls shorter than 10 ft are not required to have one; 15 and 20 ft are longer than the trigger.
Trích dẫn luật: 2023 NEC §210.52(H)Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Which protection is required for 120-volt, 15- and 20-ampere branch circuits supplying receptacle outlets in dwelling bedrooms?
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