Crane Operator Certification Exam Prep · Question
A crane operator is planning a lift near an overhead power line. The voltage of the power line is unknown, but it appears to be a major transmission line. According to CSA Z150 and provincial OHS regulations, what is the minimum exclusion zone distance the operator must maintain from the power line?
When the voltage of a power line is unknown, the most conservative safe approach must be taken. CSA Z150 and most provincial OHS regulations generally require a
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Question: A crane operator is planning a lift near an overhead power line. The voltage of the power line is unknown, but it appears to be a major transmission line. According to CSA Z150 and provincial OHS regulations, what is the minimum exclusion zone distance the operator must maintain from the power line?
Answer options:
- 3.0 metres.
- 4.5 metres. ✅ 6.0 metres.
- At least 6.0 metres, or more if the voltage is confirmed to be higher than 750 kV.
Correct answer: 6.0 metres.
Explanation: When the voltage of a power line is unknown, the most conservative safe approach must be taken. CSA Z150 and most provincial OHS regulations generally require a minimum exclusion zone of 6.0 metres (or 20 feet) when the voltage is not known, as this covers a wide range of common line voltages.
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- 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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