Which of the following voltage testers would be associated with high quality, be safe to use, and minimize the electric shock hazard?
Official USCG Answer & Rule Citation
Correct Answer: Option A — a voltage tester with a high input impedance and a voltage rating higher than any expected measured voltages
High input impedance voltage testers draw minimal current during measurement, protecting the meter and technician while providing safety ratings exceeding expected circuit voltages, thus minimizing electrical shock and arc flash risks.
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