Skip to main content

T0A12:Which of the following precautions should be taken when measuring high voltages with a voltmeter?

T0A12T0A

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Direct answer summary (2026-2030 NCVEC pool)

The official correct answer for T0A12 is Ensure that the voltmeter and its leads are rated for use at the voltages being measured.

The key fact is Ensure that the voltmeter and its leads are rated for use at the voltages being measured. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

← T0A11T0B01 →

More questions in T0A

T0A01Which of the following is a safety hazard of a 12-volt storage battery that lacks internal protection circuitry?T0A02What health hazard is posed by electrical current flowing through the body?T0A03In the United States, what circuit does black wire insulation indicate in a three-wire 120 V AC cable?T0A04What is the purpose of a fuse in an electrical circuit?T0A05Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?T0A06What is a good way to guard against electrical shock at your station?