Mạch nhánh & Đi dâyCâu 189 / 521
How are conductors that both originate and terminate within the box (such as short pigtails or jumpers) treated in a box-fill calculation?
a.They are not counted
b.They count as one each
c.They count as two each
d.They count as clamp allowances
Giải thích
Per 314.16(B)(1), a conductor that originates and terminates within the box, such as a pigtail, is not counted in the box fill. Only conductors that enter and are not spliced (or that terminate on a device) get an allowance.
Trích dẫn luật: 2023 NEC §314.16(B)(1)Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A box has four 12 AWG equipment grounding conductors entering it. How are they counted in the box-fill calculation?
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- A single unbroken conductor passes straight through a box without being spliced or terminated. For box fill, it is counted as how many conductors?
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