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Electrical Module 1 Review Questions and Answers | Latest Version | 2024/2025 | Correct & Verified $9.50
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Electrical Module 1 Review Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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Electrical Module 1 Review Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the primary purpose of a circuit breaker in a home electrical system? A circuit breaker automatically shuts off the power to a circuit if it detects an overload or short circuit, prot...

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  • December 14, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • electrical module 1 review questions and answers

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  • Electrical Module 1
  • Electrical Module 1

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Electrical Module 1 Review Questions
and Answers | Latest Version | 2024/2025
| Correct & Verified
What is the primary purpose of a circuit breaker in a home electrical system?


✔✔A circuit breaker automatically shuts off the power to a circuit if it detects an overload or

short circuit, protecting the system from damage.




What type of wiring should be used for outdoor electrical installations?


✔✔Outdoor electrical installations should use weather-resistant cables like UF (underground

feeder) wire or THWN, which are rated for outdoor exposure.




What is the difference between a hot wire and a neutral wire in an electrical circuit?


✔✔The hot wire carries the current to the device, while the neutral wire completes the circuit by

returning the current to the panel.




What happens when a wire is overloaded with too much current?


✔✔When a wire is overloaded, it heats up, which could lead to a fire or melting of the

insulation, potentially damaging the system.




1

, How does an electrical transformer work to change voltage?


✔✔An electrical transformer uses electromagnetic induction to step up or step down the voltage

in an alternating current (AC) circuit.




What is the function of a fuse in a circuit?


✔✔A fuse prevents excessive current from flowing by breaking the circuit when the current

exceeds a safe limit, protecting the electrical devices connected to it.




Why is it important to install a grounding system in a building?


✔✔A grounding system helps prevent electrical shock hazards by providing a safe path for

electricity to flow into the earth in case of a fault.




What does the term "short circuit" mean?


✔✔A short circuit occurs when the current bypasses the load (like a light bulb) due to a low-

resistance path, causing excessive current flow and potential damage.




What is the purpose of electrical conduit in construction?


✔✔Electrical conduit protects wires from physical damage and provides a safe, organized way to

route electrical cables through a building.

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