Mạch nhánh & Đi dâyCâu 178 / 521
The working space required in front of electrical equipment must be kept clear and, in general, may be used for what purpose?
a.Storage of conduit
b.Temporary parts staging
c.No storage; it must remain clear for access
d.Mounting a subpanel
Giải thích
Section 110.26(B) requires the working space to be kept clear and prohibits using it for storage; when energized equipment needs servicing, the space must be clear. Using it for conduit storage, parts staging, or mounting another panel would obstruct required access to live parts.
Trích dẫn luật: 2023 NEC §110.26(B)Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
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