Electrical & PPECâu 68 / 100
What is the safest approach when working near overhead power lines?
a.Touch them to test if they are live
b.Lean ladders against them
c.Spray them with water
d.Maintain a safe clearance distance and assume all lines are energized
Giải thích
Workers should assume all overhead power lines are energized and maintain the required minimum clearance distance, which increases with voltage. Equipment such as cranes and ladders must be kept well away from lines. Contact with overhead lines is a leading cause of electrocution in construction.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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Đội Ngũ Biên Tập PrepPass · Đối chiếu với OSHA 30-Hour Construction Safety · Quy trình kiểm tra