Excavator Operator Certification Exam Prep · Question
An excavator operator is preparing to work in an area with known overhead electrical power lines rated at 13.8 kV. What is the minimum safe approach distance for the excavator's boom or any part of the machine, according to provincial electrical safety regulations in Canada?
For voltages between 750V and 75,000V (75 kV), Canadian provincial electrical safety regulations, such as those found in OH&S Acts, typically mandate a minimum
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Question: An excavator operator is preparing to work in an area with known overhead electrical power lines rated at 13.8 kV. What is the minimum safe approach distance for the excavator's boom or any part of the machine, according to provincial electrical safety regulations in Canada?
Answer options:
- 1.0 metre
- 3.0 metres ✅ 6.0 metres
- 8.0 metres
Correct answer: 6.0 metres
Explanation: For voltages between 750V and 75,000V (75 kV), Canadian provincial electrical safety regulations, such as those found in OH&S Acts, typically mandate a minimum safe approach distance of 6.0 metres for machinery. This distance is crucial to prevent electrical arcing and potential electrocution.
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Question explanations
- During a final inspection of an excavator, prior to beginning work, an operator notices significant play in th
- An excavator operator is preparing to dig a trench in cohesive soil. To achieve maximum breakout force, what a
- Which control typically governs the arm (or dipper arm) movement for an excavator?
- What condition might require sloping or shoring of a trench less than 1.2 meters (4 feet) deep?
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