安全第 1282 / 1605 题
For cranes and equipment operating near overhead power lines up to 50 kV, what minimum clearance is generally required if the line is not de-energized and grounded?
a.10 feet
b.3 feet
c.5 feet
d.1 foot
解析
1926.1408 requires at least 10 feet of clearance for lines up to 50 kV when the line is energized. Greater voltages require greater clearances; de-energizing and grounding is the safest option.
法律依据: 29 CFR 1926.1408免费刷完整 1605 道题库 — 无需注册。
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