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NCCER Electrical 1 Module 10 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified $9.49
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NCCER Electrical 1 Module 10 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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NCCER Electrical 1 Module 10 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified Why is it important to follow the National Electrical Code (NEC)? The NEC ensures electrical installations are safe, standardized, and meet regulatory requirements. What does an ohmmeter...

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  • December 14, 2024
  • 10
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nccer electrical 1 module 10 questions and answers

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  • NCCER Electrical 1 Module 10
  • NCCER Electrical 1 Module 10

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NCCER Electrical 1 Module 10 Questions
and Answers | Latest Version | 2024/2025
| Correct & Verified
Why is it important to follow the National Electrical Code (NEC)?


✔✔The NEC ensures electrical installations are safe, standardized, and meet regulatory

requirements.




What does an ohmmeter measure?


✔✔An ohmmeter measures the resistance in an electrical circuit.




Why is it important to use insulated tools when working with electricity?


✔✔Insulated tools protect the user from electrical shock while working on live circuits.




What is the difference between AC and DC current?


✔✔AC current alternates direction periodically, while DC current flows in one constant

direction.




What is the primary purpose of a GFCI outlet?


1

, ✔✔A GFCI outlet protects against electrical shocks by shutting off power when it detects an

imbalance in the electrical current.




What is the role of a transformer in an electrical system?


✔✔A transformer changes the voltage level of electrical power to meet the needs of the system.




What should you do before working on an electrical circuit?


✔✔Always turn off the power to the circuit and verify that it is de-energized using a voltage

tester.




What is the purpose of a wiring diagram?


✔✔A wiring diagram shows how electrical components are connected, helping to ensure proper

installation and troubleshooting.




Why are electrical wires color-coded?


✔✔Color coding helps identify the purpose of each wire, such as hot, neutral, and ground,

ensuring safe and accurate connections.




What is the function of an electrical junction box?

2

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