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NCCER Electrical 2 Module 9 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified £7.99
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NCCER Electrical 2 Module 9 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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NCCER Electrical 2 Module 9 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the purpose of overcurrent protection in electrical circuits? Overcurrent protection prevents damage to electrical circuits and components by disconnecting the power when the curren...

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  • December 27, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nccer electrical 2 module 9 questions and answers

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  • NCCER Electrical 2 Module 9
  • NCCER Electrical 2 Module 9

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NCCER Electrical 2 Module 9 Questions
and Answers | Latest Version | 2024/2025
| Correct & Verified
What is the purpose of overcurrent protection in electrical circuits?


✔✔ Overcurrent protection prevents damage to electrical circuits and components by

disconnecting the power when the current exceeds a safe level.




Why is it important to use the correct wire size in an electrical installation?


✔✔ Using the correct wire size ensures the wire can safely carry the required current without

overheating, preventing fire hazards.




What is the role of a disconnect switch in electrical systems?


✔✔ A disconnect switch isolates electrical equipment from the power supply, providing a safe

way to perform maintenance or emergency shutdowns.




What does an electrical load refer to?


✔✔ An electrical load refers to any device or appliance that consumes electrical power in a

circuit.




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, What is the purpose of a ground fault circuit interrupter (GFCI)?


✔✔ A GFCI detects and interrupts current flow when it senses a ground fault, helping to prevent

electrical shock.




Why is proper conduit installation important in electrical wiring?


✔✔ Proper conduit installation protects electrical wiring from physical damage and

environmental factors, ensuring the safety and longevity of the system.




What is a transformer’s role in electrical systems?


✔✔ A transformer changes the voltage level in an electrical circuit, either stepping it up or

stepping it down for safe use.




How does a capacitor improve power factor in an electrical system?


✔✔ A capacitor helps to correct power factor by providing reactive power, thus improving

energy efficiency and reducing losses.




What is the function of a circuit breaker panel?


✔✔ A circuit breaker panel houses circuit breakers that protect circuits from overloads by

interrupting the flow of electricity when necessary.

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