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NCCER Electrical Level 1: Module 3 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified £7.49
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NCCER Electrical Level 1: Module 3 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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NCCER Electrical Level 1: Module 3 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified Why should you turn off power before working on electrical systems? To prevent electrical shock. What is a GFCI outlet? An outlet that protects against electrical shock by cutt...

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  • December 18, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nccer electrical level 1 module 3 questions and a

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  • NCCER Electrical Level 1: Module 3
  • NCCER Electrical Level 1: Module 3

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NCCER Electrical Level 1: Module 3
Questions and Answers | Latest Version
| 2024/2025 | Correct & Verified
Why should you turn off power before working on electrical systems?


✔✔ To prevent electrical shock.




What is a GFCI outlet?


✔✔ An outlet that protects against electrical shock by cutting off power if a fault is detected.




Why is wire stripping important?


✔✔ It removes insulation to expose the conductor for connections.




What does a fuse do?


✔✔ It breaks the circuit if the current exceeds a safe level.




What is the function of a multimeter?


✔✔ It measures voltage, current, and resistance in circuits.




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, Why is it important to use the correct wire gauge?


✔✔ To prevent overheating and ensure safety.




What is a junction box used for?


✔✔ To house electrical connections and prevent fire hazards.




What is the difference between AC and DC power?


✔✔ AC alternates direction, while DC flows in one direction.




Why is grounding important?


✔✔ It prevents electrical shock by directing fault currents to the earth.




What is the role of a circuit tester?


✔✔ To check if a circuit is live and functioning properly.




Why should you check for continuity?


✔✔ To ensure that electrical connections are intact and current can flow.




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