Crane Operator Certification Exam Prep · Question
A mobile crane is operating near a 13.8 kV overhead power line. According to CSA Z150, what is the minimum required clearance distance between any part of the crane, including its load, and this energized power line?
CSA Z150 Table 1, 'Minimum Clearance from Overhead Electrical Conductors', specifies a 4.5-metre clearance for lines rated over 750 V to 75 kV. This is a crucia
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Question: A mobile crane is operating near a 13.8 kV overhead power line. According to CSA Z150, what is the minimum required clearance distance between any part of the crane, including its load, and this energized power line?
Answer options: ✅ 4.5 metres
- 3.0 metres
- 6.0 metres
- 7.5 metres
Correct answer: 4.5 metres
Explanation: CSA Z150 Table 1, 'Minimum Clearance from Overhead Electrical Conductors', specifies a 4.5-metre clearance for lines rated over 750 V to 75 kV. This is a crucial safety distance to prevent electrocution.
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Question explanations
- According to most Canadian provincial regulations, who is ultimately responsible for the safe operation of a c
- A crane's rated capacity decreases as the load radius:
- What is the minimum number of full wraps of wire rope that must remain on a hoist drum when the hook is in its
- Before setting up a mobile crane, what is the most important factor to assess regarding ground conditions?
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