Why should an electrical worker determine the nominal voltage of a circuit first before making contact with the circuit?

Question

Accepted Answer

So the worker can select the proper PPE and voltage tester to use before contact with the circuit is made

Answer

So the worker can select the proper PPE to use before contact with the circuit is made

Answer

So the worker can select the proper voltage tester to use before contact with the circuit is made

Answer

As long as the circuit is properly tagged/locked out, no determination of the nominal voltage is necessary

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