Heavy Equipment Operator Certification Exam Prep · Question
What is the primary danger associated with striking an active high-voltage underground electrical cable?
Striking an active high-voltage underground electrical cable can result in severe electric shock, arc flash, and potentially a fire or explosion, posing extreme
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Question: What is the primary danger associated with striking an active high-voltage underground electrical cable?
Answer options:
- Interruption of electrical service to nearby residences.
- Creation of a large crater from the immediate explosion. ✅ Severe electric shock, arc flash, and possible fire.
- Damage to the excavator's hydraulic system.
Correct answer: Severe electric shock, arc flash, and possible fire.
Explanation: Striking an active high-voltage underground electrical cable can result in severe electric shock, arc flash, and potentially a fire or explosion, posing extreme danger to operators and bystanders. Service interruption is a consequence, but not the primary danger to life.
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