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

Multimeter

Phase tester

Megger®

VOM

Question 1 of 15

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

Voltage tester

Ohmmeter

Continuity tester

Clamp-on ammeter

Question 2 of 15

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

500 to 1,000V

1,000 to 1,500V

150 to 300V

300 to 500V

Question 3 of 15

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

Current-limiting resistors

Magnets

Shunt resistors

Clips

Question 4 of 15

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

title page of the operating instructions

back plate of the meter

meter housing

meter leads

Question 5 of 15

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

CAT I

CAT III

CAT IV

CAT II

Question 6 of 15

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

voltage tests

continuity tests

frequency tests

polarity tests

Question 7 of 15

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

Megger®

Ohmmeter

Voltage tester

Clamp-on ammeter

Question 8 of 15

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

checking it with a multimeter

grounding the leads

connecting it to a known energized source

touching the leads together

Question 9 of 15

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

CAT II

CAT III

CAT I

CAT IV

Question 10 of 15

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

Multimeter

Data logger

Voltmeter

Clamp-on ammeter

Question 11 of 15

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

They are easier to read than analog 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.

Question 12 of 15

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

CAT III

CAT I

CAT II

CAT IV

Question 13 of 15

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

Phase tester

Multimeter

Megohmmeter

Ammeter

Question 14 of 15

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

multimeter

current meter

ammeter

voltmeter

Question 15 of 15

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