Lập kế hoạch & Dự toánCâu 393 / 521
A retail store has 10 linear feet of show-window lighting. Using the show-window unit load, what load must be included?
a.1,000 VA
b.2,000 VA
c.3,000 VA
d.1,800 VA
Giải thích
Show windows are calculated at 200 VA per linear foot: 10 ft × 200 VA = 2,000 VA. Using 100 VA/ft or 300 VA/ft gives the other values.
Trích dẫn luật: 2023 NEC §220.14(G)Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
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