Mạch nhánh & Đi dâyCâu 122 / 521
A dwelling bathroom receptacle outlet must be supplied by a branch circuit of at least what rating that serves only bathroom receptacle outlets?
a.10 A
b.15 A
c.20 A
d.30 A
Giải thích
Section 210.11(C)(3) requires at least one 20-A branch circuit to supply bathroom receptacle outlets. Where that circuit supplies only a single bathroom, it may also serve other equipment in that same bathroom. 10 and 15 A are below the required rating, and 30 A is not specified.
Trích dẫn luật: 2023 NEC §210.11(C)(3)Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- A kitchen wall counter space is required to be served by a countertop receptacle when the counter is at least what width?
- What is the minimum number of 20-ampere small-appliance branch circuits required to serve the receptacle outlets in a dwelling kitchen, pantry, breakfast room, and dining room?
- The dwelling laundry receptacle outlet(s) required by 210.52(F) must be supplied by a branch circuit of at least what rating, dedicated to the laundry?
- A 125-volt, 20-ampere receptacle installed in a dwelling bathroom must have what protection?
- Under 210.8(A), a 125-volt receptacle located within how many feet of a dwelling laundry, utility, or wet bar sink (measured from the outside edge of the sink) requires GFCI protection?
- A 125-volt, 20-ampere receptacle installed in the unfinished portion of a dwelling basement used for storage or a work area requires what protection?
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