Lập kế hoạch & Dự toánCâu 357 / 521
In a dwelling load calculation, what minimum load must be included for the two required small-appliance branch circuits?
a.1,500 VA
b.3,000 VA
c.4,500 VA
d.2,000 VA
Giải thích
Each 20 A small-appliance branch circuit is figured at 1,500 VA, and at least two are required, so 2 × 1,500 = 3,000 VA. 1,500 VA covers only one circuit, and 4,500 VA would be three circuits.
Trích dẫn luật: 2023 NEC §220.52(A)Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
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