Excavator Operator Certification Exam Prep · Question
During an excavation for a new footing, an excavator operator encounters an unmarked buried electrical cable while machine digging in an area previously marked by a utility locator. What is the immediate action the operator should take?
Upon striking or even encountering an unmarked utility, the immediate action is to stop all work, secure the area to prevent further damage or injury, and notif
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Question: During an excavation for a new footing, an excavator operator encounters an unmarked buried electrical cable while machine digging in an area previously marked by a utility locator. What is the immediate action the operator should take?
Answer options:
- Carefully try to uncover more of the cable to identify its type. ✅ Stop all work, secure the area, and notify the site supervisor and utility owner.
- Continue digging slowly and by hand until the cable is fully exposed.
- Bury the cable back up and re-request a utility locate.
Correct answer: Stop all work, secure the area, and notify the site supervisor and utility owner.
Explanation: Upon striking or even encountering an unmarked utility, the immediate action is to stop all work, secure the area to prevent further damage or injury, and notify the site supervisor and the utility owner. Attempting to uncover it or continuing to dig presents significant safety risks.
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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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