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NCCER Electrical Level 2 Module 4 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified £7.49
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NCCER Electrical Level 2 Module 4 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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NCCER Electrical Level 2 Module 4 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified How does an electrical meter work? An electrical meter measures the amount of electricity consumed by a building or facility, typically in kilowatt-hours. What is a continuity te...

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  • December 18, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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NCCER Electrical Level 2 Module 4
Questions and Answers | Latest Version
| 2024/2025 | Correct & Verified
How does an electrical meter work?


✔✔ An electrical meter measures the amount of electricity consumed by a building or facility,

typically in kilowatt-hours.




What is a continuity tester used for?


✔✔ A continuity tester checks whether there is a continuous electrical path between two points

in a circuit.




What should you do if you find a damaged electrical wire during inspection?


✔✔ The damaged wire should be replaced or properly repaired to avoid electrical hazards or

failures.




Why is it important to size a circuit correctly?


✔✔ Properly sized circuits ensure that the wiring can handle the electrical load without

overheating or causing system failures.




1

, What is a volt-ampere rating (VA)?


✔✔ Volt-ampere rating indicates the total amount of power that an electrical component can

handle, similar to watts but without considering power factor.




What does "conduit" mean in electrical systems?


✔✔ Conduit is a protective tube or casing that houses and shields electrical wiring from physical

damage or exposure to the elements.




What happens if a circuit is overloaded?


✔✔ An overloaded circuit can cause the wiring to overheat, potentially leading to a fire or

tripping the breaker to prevent damage.




How does a fuse protect an electrical circuit?


✔✔ A fuse breaks the circuit when the current exceeds a safe level, preventing damage to

equipment or wiring.




Why is it important to understand wire color codes?


✔✔ Wire color codes identify the function of each wire, ensuring proper connections and safety

during installation.

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