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

500 to 1,000V

300 to 500V

1,000 to 1,500V

150 to 300V

Question 1 of 15

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

current meter

multimeter

ammeter

voltmeter

Question 2 of 15

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

Current-limiting resistors

Shunt resistors

Magnets

Clips

Question 3 of 15

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

Voltmeter

Multimeter

Clamp-on ammeter

Data logger

Question 4 of 15

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

CAT IV

CAT I

CAT III

CAT II

Question 5 of 15

6. 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 easier to connect to the circuit than analog meters.

They are faster than analog meters.

Question 6 of 15

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

Ohmmeter

Megger®

Voltage tester

Clamp-on ammeter

Question 7 of 15

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

Megohmmeter

Ammeter

Multimeter

Phase tester

Question 8 of 15

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

continuity tests

voltage tests

polarity tests

frequency tests

Question 9 of 15

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

grounding the leads

checking it with a multimeter

touching the leads together

connecting it to a known energized source

Question 10 of 15

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

meter leads

meter housing

title page of the operating instructions

back plate of the meter

Question 11 of 15

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

VOM

Phase tester

Megger®

Multimeter

Question 12 of 15

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

Continuity tester

Clamp-on ammeter

Ohmmeter

Voltage tester

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 IV

CAT III

CAT II

CAT I

Question 14 of 15

15. 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 II

CAT IV

CAT III

Question 15 of 15

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