Lập kế hoạch & Dự toánCâu 394 / 521
For each commercial occupancy accessible to pedestrians, at least one outlet for a sign or outline lighting must be provided with a minimum circuit load of how many VA?
a.600 VA
b.900 VA
c.1,200 VA
d.1,500 VA
Giải thích
A sign/outline-lighting outlet must be computed at a minimum of 1,200 VA. The smaller figures do not meet the required minimum for this dedicated sign circuit.
Trích dẫn luật: 2023 NEC §220.14(F)Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
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