Construction Health and Safety Technician (CHST) 2026 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 460

Cranes should be kept clear of power lines by at least how many feet for voltages up to 50 kV?

5 feet

10 feet

Maintaining a safe distance between cranes and power lines is crucial for preventing accidents and ensuring worker safety. For voltages up to 50 kV, a minimum clearance of 10 feet is required. This distance is established by safety standards to reduce the risk of electrical hazards, such as arcing, which can occur if equipment gets too close to energized lines.

In scenarios where cranes operate near power lines, it's important for operators and site managers to follow these guidelines rigorously. Staying at least 10 feet away allows for a buffer zone that significantly minimizes the chance of electrical incidents, protecting both the workers and the equipment involved. This standard applies to various settings, including construction sites, where heavy machinery must be maneuvered carefully in proximity to electrical infrastructure.

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15 feet

20 feet

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