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

Voltage tester

Clamp-on ammeter

Ohmmeter

Megger®

Question 1 of 15

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

Ohmmeter

Clamp-on ammeter

Voltage tester

Continuity tester

Question 2 of 15

3. Certified meters are marked as to their category rating on the ________.

meter leads

title page of the operating instructions

meter housing

back plate of the meter

Question 3 of 15

4. The typical applied megohmmeter voltage in 600V class systems is ________.

150 to 300V

300 to 500V

1,000 to 1,500V

500 to 1,000V

Question 4 of 15

5. What is the lowest acceptable overvoltage category rating for an ammeter that will be used to test industrial lighting and outdoor conductors?

CAT III

CAT IV

CAT I

CAT II

Question 5 of 15

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

VOM

Megger®

Multimeter

Phase tester

Question 6 of 15

7. Which of the following is true of digital meters?

They are easier to read than analog meters.

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

They are faster than analog meters.

They are more accurate than analog meters.

Question 7 of 15

8. What instrument is used to take readings at specified intervals for later review?

Data logger

Multimeter

Voltmeter

Clamp-on ammeter

Question 8 of 15

9. Which of the following are used with ammeters to increase their range for current measurement?

Shunt resistors

Magnets

Current-limiting resistors

Clips

Question 9 of 15

10. Another name for a VOM is a(n) ________.

current meter

ammeter

multimeter

voltmeter

Question 10 of 15

11. Before using a voltage tester, check to make sure it is functioning correctly by ________.

connecting it to a known energized source

touching the leads together

checking it with a multimeter

grounding the leads

Question 11 of 15

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

polarity tests

voltage tests

frequency tests

continuity tests

Question 12 of 15

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

CAT III

CAT II

CAT I

CAT IV

Question 13 of 15

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

CAT III

CAT I

CAT IV

CAT II

Question 14 of 15

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

Phase tester

Ammeter

Megohmmeter

Multimeter

Question 15 of 15

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