Thiết bị & Hệ thốngCâu 292 / 521
For the 7.5 HP, 230 V motor (FLC 22 A), what minimum branch-circuit conductor ampacity is required by NEC 430.22?
a.22 A
b.24.2 A
c.25.3 A
d.27.5 A
Giải thích
125% of FLC: 22 x 1.25 = 27.5 A. 22 A omits the factor, 24.2 A is 110%, and 25.3 A is 115%.
Trích dẫn luật: 2023 NEC §430.22Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
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