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NCCER Electrical Module 2 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified $9.41
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NCCER Electrical Module 2 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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NCCER Electrical Module 2 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What should you always do before working on any electrical system? Turn off the power and verify it’s off using a voltage tester. Why is it essential to use insulated tools when working wi...

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  • December 14, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nccer electrical module 2 questions and answers

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  • NCCER Electrical Module 2
  • NCCER Electrical Module 2

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NCCER Electrical Module 2 Questions
and Answers | Latest Version | 2024/2025
| Correct & Verified
What should you always do before working on any electrical system?


✔✔Turn off the power and verify it’s off using a voltage tester.




Why is it essential to use insulated tools when working with electrical circuits?


✔✔Insulated tools prevent accidental electrical shock by isolating the worker from live parts.




What is the primary role of a fuse in an electrical circuit?


✔✔A fuse breaks the circuit if the current exceeds safe levels, protecting the wiring and devices

from damage.




How can you determine if an electrical circuit is overloaded?


✔✔An overloaded circuit will cause the circuit breaker to trip or the fuse to blow, indicating

excessive current flow.




What is the purpose of a junction box in electrical wiring?


1

, ✔✔A junction box protects electrical connections and prevents fire hazards by containing any

potential sparks or heat.




Why should you avoid using extension cords as a permanent wiring solution?


✔✔Extension cords are designed for temporary use; using them permanently can cause

overheating and increased risk of fires.




What is the danger of using faulty or damaged electrical equipment?


✔✔Faulty or damaged equipment can cause electrical shock, fire hazards, or electrocution if not

properly repaired.




What is the recommended way to store electrical cords when not in use?


✔✔Coil electrical cords loosely and store them in a dry, safe location to prevent damage and

avoid tripping hazards.




How do you test for ground faults?


✔✔Use a ground fault circuit interrupter (GFCI) tester or a multimeter to check if the grounding

system is functioning correctly.




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