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NCCER STUDY GUIDE QUESTIONS AND ANSWERS

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  • Course
  • NCCER ELECTRICAL
  • Institution
  • Liberty University

NCCER STUDY GUIDE QUESTIONS AND ANSWERS When is nonmetallic-steathed cable used - ANS-In a residential wiring system Phases of residential electrical wiring include - ANS-Rough in, Trim out, Testing and Troubleshooting What two groups are industrial electricians split into - ANS-Installers...

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  • September 7, 2024
  • 19
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • 2024
  • 2025
  • nccer study guide questions and answers
  • nccer electrical study guide
  • when is nonmetallic steathed cable used
  • phases of residential electrical wiring include
  • what two groups are industrial

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  • Liberty University
  • NCCER ELECTRICAL
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NCCER STUDY GUIDE QUESTIONS AND ANSWERS 2024-2025
When is nonmetallic-steathed cable used - ANS-✔✔In a residential wiring system



Phases of residential electrical wiring include - ANS-✔✔Rough in, Trim out, Testing and
Troubleshooting



What two groups are industrial electricians split into - ANS-✔✔Installers and maintenance personal



How many hours of on job learning are required for an apprenticeship program each year - ANS-✔✔
2,000 hours



AC Voltage Tag Colors Class 00 - ANS-✔✔Beige tag 500 volts



AC Voltage Tag Colors Class 0 - ANS-✔✔Red tag 1,000 volts



AC Voltage Tag Colors Class 1 - ANS-✔✔White tag 7,500 volts



AC Voltage Tag Colors Class 2 - ANS-✔✔Yellow tag 17,000 volts



AC Voltage Tag Colors Class 3 - ANS-✔✔Green tag 26,500 volts



AC Voltage Tag Colors Class 4 - ANS-✔✔Orange tag 36,000 volts



Replacing fuses is an important use of - ANS-✔✔A hot stick

,Asbestos banned in 1978, you need to assume any building constructed before 1980 has - ANS-✔✔
Asbestos in it



How many watts does one Horsepower have - ANS-✔✔746 watts



An electrical circuit at minimum contains a - ANS-✔✔Source, load, and switch



Proton is the type of sub-atom particle with a - ANS-✔✔Positive charge



EMF is another term used for - ANS-✔✔Voltage



Electric charge is measured in - ANS-✔✔Coulombs



I=E/R (current) = (voltage) / (resistance) - ANS-✔✔the current in a circuit equals the voltage difference
divided by the resistance



R=E/I (resistance) = (voltage) / (current) - ANS-✔✔The resistance of a circuit is equal to the voltage
applied to the circuit divided by the current in a circuit



E=IxR=IR (voltage)= (current)x(resistance) - ANS-✔✔The applied voltage to a circuit is equal to the
product of the current and the resistance of the circuit



The fourth band on a resistor represents - ANS-✔✔Tolerance



Clamp-on amp meter is used to - ANS-✔✔Measure electrical current



Current measured in amperes - ANS-✔✔Is the flow of electrons in a circuit

, One volt is the potential difference between two points for which one coulomb of electricity will do one
_______ of work. - ANS-✔✔Joule



Voltage is measured with a - ANS-✔✔voltmeter



One volt applied across one ohm of resistance causes a current flow of one _______. - ANS-✔✔ampere



Ewald is the force required to produce a current of one ampere through a resistance of - ANS-✔✔1
ohm



What do Coulombs measure? - ANS-✔✔electric charge



Electrons is the driving force that makes current flow in a - ANS-✔✔Circuit



Watts is the basic unit of measurement for - ANS-✔✔Electrical power



The proton is the smallest particle of an element that will still retain the - ANS-✔✔Properties of that
element



The nucleus is the center of an - ANS-✔✔Atom



What are protons and neutrons - ANS-✔✔Electrically positive and neutral particles



What is an electron? - ANS-✔✔Negatively charged particle that orbits the nucleus of an atom

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