An toànCâu 1279 / 1605
Before work begins near electrical circuits, if a worker could contact energized parts, the employer must:
a.Simply warn the worker to be careful
b.De-energize and lock/tag out the circuits, or guard them, so no worker contacts live parts
c.Increase the voltage to reduce risk
d.Post a sign and continue live work
Giải thích
1926.416(a)(1) requires de-energizing and locking/tagging (or effectively guarding) circuits before employees work where they could contact energized parts, unless de-energizing introduces greater hazards.
Trích dẫn luật: 29 CFR 1926.416(a)(1)Luyện miễn phí toàn bộ 1605 câu hỏi — không cần đăng ký.
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Sen Lin, Người sáng lập PrepPass · Đối chiếu với California CSLB Contractor License Law & Business Exam · Quy trình kiểm tra
Người kiểm duyệt Abraham Chen — Licensed California General Contractor (CSLB License #1101856 — kiểm tra)