Advanced WiringCâu 76 / 110
The equipotential plane bonding conductor in an agricultural building must be:
a.#8 Cu only if insulated
b.#6 Cu maximum
c.Insulated conductor only
d.Copper conductor not smaller than #8
Giải thích
Bonding of the equipotential plane in agricultural buildings uses a copper conductor not smaller than #8 AWG, solid or the equivalent.
Trích dẫn luật: 2023 NEC 547.10Luyện miễn phí toàn bộ 110 câu hỏi — không cần đăng ký.
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