Engine : Electricity - 531/1386
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| Before electrical work can be safely undertaken, the equipment must be de-energized, locked and tagged out, and verification must be made that the circuit is actually dead. What testing device is most certain to reliably verify that a circuit is actually dead? |
| A) a non-contact voltage tester |
| B) an auto-ranging digital multimeter |
| C) a solenoid type voltage tester |
| D) a non-auto ranging digital multimeter |
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