Thiết bị & Hệ thốngCâu 351 / 521
Which recessed luminaire may be installed in direct contact with thermal insulation?
a.Any recessed can may touch insulation
b.A luminaire that is identified and marked as Type IC
c.No recessed luminaire may ever be near insulation
d.Only fluorescent recessed luminaires
Giải thích
Section 410.116 permits only recessed luminaires identified and marked Type IC (Insulation Contact) to be installed in direct contact with thermal insulation. Non-IC luminaires must keep insulation at least 3 inches away, regardless of the lamp type used.
Trích dẫn luật: 2023 NEC §410.116Luyện miễn phí toàn bộ 521 câu hỏi — không cần đăng ký.
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