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NCCER ELECTRICAL LEVEL 1 -Module 12 Electrical Test Equipment
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NCCER ELECTRICAL LEVEL 1 -Module 12 Electrical Test Equipment A voltmeter is used to measure the value of a circuit's ____. Electromotive force A closed circuit is indicated by an ohmmeter reading of ______. Zero A meter that operates by sensing the strength of the electromagnetic field arou...

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  • September 3, 2023
  • 3
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

Subjects

  • nccer electrical level 1 module 12 electrical tes

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  • NCCER
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NCCER ELECTRICAL LEVEL 1 -Module 12 Electrical
Test Equipment
A voltmeter is used to measure the value of a circuit's ____.
Electromotive force
A closed circuit is indicated by an ohmmeter reading of ______.
Zero
A meter that operates by sensing the strength of the electromagnetic field around
the wire is a(n) ______.
Clamp-on ammeter
Current measurement in milliamps are typically read using a(n) _____.
VOM
An expected resistance of 1,000,000 ohms would be measured using a ______.
Megohmmeter
Which category rating covers installation that present the lowest risk?
CAT I
Which of the following is true with regard to meter safety?
Thoroughly inspect all test equipment before each use.
CAT I (Overvoltage Category)
Electronic equipment and circuitry
CAT II (Overvoltage Category)
Single-phase loads such as small appliance tools, outlets at more than 30 feet from a
CAT III source or 60 feet from a CAT IV source
CAT III (Overvoltage Category)
Three-phase motors, single-phase commercial or industrial lighting, switchgear, busduct
and feeders in industrial plants.
CAT IV (Overvoltage Category)
Three-phase power at meter, service-entrance, or utility connection, any outdoor
conductors, including signs, a pump, or exterior power generation (solar, wind, etc.).
Which of the following is true regarding analog meters?
Analog meters rely on a moving-coil meter movement.
A voltmeter is used to test _____.
Exact voltages
In order to ensure safety, before measuring low voltages, you should first test for
_____.
Higher voltages
An ammeter is used to measure ____.
Current
Clamp-on ammeters operate by _______.
Sensing the strength of the electromagnetic field around the wire
A meter with applied voltages of 500v or 1,000v is a(n) _____.
Megohmmeter
A motor rotation testers _____.
Is used to identify the motor legs
The highest level of protection is provided instruments rated as _____.

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