Excavator Operator Certification Exam Prep · Question
An excavator operator inadvertently contacts an unmarked underground electrical conduit while digging. What is the immediate and most critical action the operator should take?
If contact is made with an energized electrical line, the safest action is to remain in the insulated cab, warn everyone to stay away, and call 911 and the util
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Question: An excavator operator inadvertently contacts an unmarked underground electrical conduit while digging. What is the immediate and most critical action the operator should take?
Answer options:
- Attempt to disengage the bucket and clear the area quickly. ✅ Remain in the cab, warn others to stay clear, and call for emergency services.
- Immediately jump out of the cab to avoid electrocution.
- Use a non-conductive tool to push the conduit away from the machine.
Correct answer: Remain in the cab, warn others to stay clear, and call for emergency services.
Explanation: If contact is made with an energized electrical line, the safest action is to remain in the insulated cab, warn everyone to stay away, and call 911 and the utility owner. Exiting the cab incorrectly can create a path to ground and result in severe injury or fatality.
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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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