NCCCO Core Practice Test 2025 – Comprehensive All-in-One Guide to Master Crane Operator Certification!

Question: 1 / 400

How far must a crane be when working near power lines, according to ANSI/ASME B 30.5?

At least 15 feet

A boom's length of the limit of approach

When working near power lines, following the ANSI/ASME B 30.5 standard, the requirement is that the crane must maintain a distance that is at least equal to the length of the boom to the limit of approach. This ensures the crane's operation remains safe and minimizes the risk of accidental contact with power lines, which can pose serious hazards, including electrocution.

The proximity to power lines varies depending on voltage levels. By adhering to the rule that the approach limit should be based on the boom's length, operators can account for potential movements, both from the crane and environmental factors like wind, ensuring sufficient clearance at all times. This regulation is critical in preventing electrical accidents, thereby protecting operators and workers on site.

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30 feet

20 feet

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