Electrical Test Equipment

Which of the following devices measures ohms, amps, and volts?

• multimeter

• phase tester

• ammeter

• megohmmeter

Which of the following devices is also called an insulation resistance tester?

• multimeter

• phase tester

• VOM

• Megger

Which instrument should be used to verify that there is power available to run a three-phase motor that will not start?

• Clamp-on ammeter

• Megger

• ohmmeter

• voltage tester

Which meter can measure current without having to make contact with uninsulated wires?

• clamp-on ammeter

• ohmmeter

• continuity tester

• voltage tester

What is the lowest acceptable overvoltage category rating for a voltage tester that will be used to test electronic equipment and circuitry?

• CAT I

• CAT II

• CAT III

• CAT IV

Another name for the VOM is a

• ammeter

• multimeter

• voltmeter

• current meter

What is the lowest acceptable overvoltage category rating for a multimeter that will be used to test small appliances?

• CAT I

• CAT II

• CAT III

• CAT IV

Which of the following is true of digital meters?

• They are more accurate than analog meters

• They are faster than analog meters

• They are easier to connect to the circuit than analog meters

• They are easier to read than analog meters

Certified meters are marked as to their category rating on the

• meter leads

• meter housing

• back plate of the meter

• title page of the operating instructions

Most digital ohmmeters have an audible tone to indicate a closed or low-resistance circuit, making them useful for performing

• continuity tests

• polarity tests

• voltage tests

• frequency tests