NCCER Module 12 Electrical Test Equipment Review
A motor rotation meter _____. - ANSWER-is used to find the motor legs
The International Electrotechnical Commission (IEC) developed a safety standard for
overvoltage installation categories of CAT I, CAT II, CAT III, and CAT IV for _____. -
ANSWER-test equipment
In order to ensure safety, before measuring low voltages, you should first test for _____.
- ANSWER-higher voltages
An insulation resistance tester is another name for a(n) _____. - ANSWER-
megohmmeter
The highest level of protection is provided by instruments rated as _____. - ANSWER-
CAT IV
A voltmeter is used to test _____. - ANSWER-exact voltages
Clamp-on ammeters work by _____. - ANSWER-detecting the strength of the
electromagnetic field around the conductor
What is the lowest acceptable category rating for a multi-meter that will be used to test
small appliance? - ANSWER-CAT II
An ammeter is used to measure _____. - ANSWER-current
Which of the following is true regarding analog meters? - ANSWER-Analog meters rely
on a moving-coil meter movement.
When a supply circuit is de-energized, the associated circuits _____. - ANSWER-may
still be energized due to backfeeds
Digital meters do not have a(n) ____. - ANSWER-meter movement or moving parts
A voltmeer is used to measure voltage, also known as ____. - ANSWER-electromotive
force or potential difference
An DC value is indicated by ___. - ANSWER-a straight line with three dashes beneath it
An AC value is indicated by ___. - ANSWER-a sine wave
When testing for voltage to verify that a circuit is de-energized as part of an electrical
lockout, always perform a ____. - ANSWER-live-dead-live test
A motor rotation meter _____. - ANSWER-is used to find the motor legs
The International Electrotechnical Commission (IEC) developed a safety standard for
overvoltage installation categories of CAT I, CAT II, CAT III, and CAT IV for _____. -
ANSWER-test equipment
In order to ensure safety, before measuring low voltages, you should first test for _____.
- ANSWER-higher voltages
An insulation resistance tester is another name for a(n) _____. - ANSWER-
megohmmeter
The highest level of protection is provided by instruments rated as _____. - ANSWER-
CAT IV
A voltmeter is used to test _____. - ANSWER-exact voltages
Clamp-on ammeters work by _____. - ANSWER-detecting the strength of the
electromagnetic field around the conductor
What is the lowest acceptable category rating for a multi-meter that will be used to test
small appliance? - ANSWER-CAT II
An ammeter is used to measure _____. - ANSWER-current
Which of the following is true regarding analog meters? - ANSWER-Analog meters rely
on a moving-coil meter movement.
When a supply circuit is de-energized, the associated circuits _____. - ANSWER-may
still be energized due to backfeeds
Digital meters do not have a(n) ____. - ANSWER-meter movement or moving parts
A voltmeer is used to measure voltage, also known as ____. - ANSWER-electromotive
force or potential difference
An DC value is indicated by ___. - ANSWER-a straight line with three dashes beneath it
An AC value is indicated by ___. - ANSWER-a sine wave
When testing for voltage to verify that a circuit is de-energized as part of an electrical
lockout, always perform a ____. - ANSWER-live-dead-live test
