Mạch nhánh & Đi dâyCâu 183 / 521
Per Table 314.16(B), what is the free-space volume allowance required for a single 12 AWG conductor?
a.2.00 in³
b.2.50 in³
c.2.25 in³
d.3.00 in³
Giải thích
Table 314.16(B) assigns 2.25 in³ per 12 AWG conductor. 2.00 in³ is the value for 14 AWG, 2.50 in³ is for 10 AWG, and 3.00 in³ is for 8 AWG.
Trích dẫn luật: 2023 NEC §314.16(B)Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
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