Excavator Operator Certification Exam Prep · Question
An excavator is operating near an overhead power line with a voltage of 75 kV. According to CSA Z248 Annex A, what is the minimum boom tip clearance distance that must be maintained from this energized overhead line?
CSA Z248 Annex A specifies a minimum approach distance of 5.3 metres for non-utility workers operating mobile equipment near power lines with voltages between 7
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Question: An excavator is operating near an overhead power line with a voltage of 75 kV. According to CSA Z248 Annex A, what is the minimum boom tip clearance distance that must be maintained from this energized overhead line?
Answer options:
- 4.5 metres ✅ 5.3 metres
- 6.0 metres
- 3.0 metres
Correct answer: 5.3 metres
Explanation: CSA Z248 Annex A specifies a minimum approach distance of 5.3 metres for non-utility workers operating mobile equipment near power lines with voltages between 75 kV and less than 250 kV.
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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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