Heavy Equipment Operator Certification Exam Prep · Question
An excavator operator is digging near an overhead powerline. The line is rated at 25 kV. What is the minimum safe approach distance required by most Canadian provincial regulations for this voltage?
For powerlines rated between 750 V and 150 kV, many Canadian provincial regulations, such as Ontario Reg. 213/91 (Construction Projects), specify a minimum safe
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Question: An excavator operator is digging near an overhead powerline. The line is rated at 25 kV. What is the minimum safe approach distance required by most Canadian provincial regulations for this voltage?
Answer options:
- 3.0 metres
- 4.5 metres ✅ 6.0 metres
- 7.5 metres
Correct answer: 6.0 metres
Explanation: For powerlines rated between 750 V and 150 kV, many Canadian provincial regulations, such as Ontario Reg. 213/91 (Construction Projects), specify a minimum safe approach distance of 6.0 metres for workers and equipment.
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