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NCCER Electrical 2 Module 1 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified £7.49
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NCCER Electrical 2 Module 1 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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NCCER Electrical 2 Module 1 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What does the term "grounding" refer to in electrical systems? Grounding is the process of connecting an electrical system to the earth to prevent electrical shock and reduce the risk of ele...

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  • December 14, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nccer electrical 2 module 1 questions and answers

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  • NCCER Electrical 2 Module 1
  • NCCER Electrical 2 Module 1

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NCCER Electrical 2 Module 1 Questions
and Answers | Latest Version | 2024/2025
| Correct & Verified
What does the term "grounding" refer to in electrical systems?


✔✔Grounding is the process of connecting an electrical system to the earth to prevent electrical

shock and reduce the risk of electrical fires.




Why is it important to use the correct wire gauge for electrical circuits?


✔✔Using the correct wire gauge ensures that the wire can safely carry the intended electrical

load without overheating or causing a fire.




What is the purpose of a fuse in an electrical circuit?


✔✔A fuse protects electrical circuits by breaking the connection if the current exceeds a safe

level, preventing overheating and potential damage to the system.




What does the acronym "AC" stand for in electrical terminology?


✔✔AC stands for Alternating Current, which is a type of electrical current that reverses direction

periodically, commonly used in power distribution.




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, What is the difference between a conductor and an insulator?


✔✔A conductor allows electricity to flow through it easily, while an insulator resists the flow of

electricity, protecting users from electric shocks.




What is the function of a GFCI (Ground Fault Circuit Interrupter)?


✔✔A GFCI detects differences between hot and neutral wires and disconnects the power if a

ground fault is detected, preventing electrical shock hazards.




What does "short circuit" mean in an electrical system?


✔✔A short circuit occurs when there is an unintended low-resistance connection between two

conductors, which can cause excessive current flow and damage to the system.




What is the purpose of a voltage tester?


✔✔A voltage tester is used to determine whether an electrical circuit or outlet is live, ensuring

that it's safe to work on.




What is the basic function of a transformer?


✔✔A transformer changes the voltage level of alternating current (AC) in a circuit, either

stepping it up or stepping it down as needed.

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