Thiết bị & Hệ thốngCâu 336 / 521
What is the minimum size of the bonding/grounding conductor for a communications system?
a.18 AWG copper
b.16 AWG copper
c.14 AWG copper
d.10 AWG copper
Giải thích
Section 800.100 requires the communications bonding conductor or grounding-electrode conductor to be not smaller than 14 AWG copper (or equivalent). Smaller 16 or 18 AWG conductors would not meet the minimum, and 10 AWG is larger than required.
Trích dẫn luật: 2023 NEC §800.100Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
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