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NCCER ELECTRICAL LEVEL 3 MODULE 2 QUESTIONS AND ANSWERS | LATEST VERSION | 2024/2025 | CORRECT & VERIFIED £7.49
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NCCER ELECTRICAL LEVEL 3 MODULE 2 QUESTIONS AND ANSWERS | LATEST VERSION | 2024/2025 | CORRECT & VERIFIED
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NCCER ELECTRICAL LEVEL 3 MODULE 2 QUESTIONS AND ANSWERS | LATEST VERSION | 2024/2025 | CORRECT & VERIFIED What is the first step when troubleshooting an electrical circuit? Turn off the power to the circuit before starting any work to ensure safety. What is the purpose of a circuit brea...

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  • December 14, 2024
  • 13
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nccer electrical level 3 module 2 questions and an

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  • NCCER ELECTRICAL LEVEL 3 MODULE 2
  • NCCER ELECTRICAL LEVEL 3 MODULE 2

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NCCER ELECTRICAL LEVEL 3 MODULE
2 QUESTIONS AND ANSWERS | LATEST
VERSION | 2024/2025 | CORRECT &
VERIFIED

What is the first step when troubleshooting an electrical circuit?


✔✔Turn off the power to the circuit before starting any work to ensure safety.




What is the purpose of a circuit breaker in an electrical system?


✔✔A circuit breaker prevents overheating and electrical fires by interrupting the flow of current

when it exceeds safe levels.




What is the difference between a single-pole and a double-pole circuit breaker?


✔✔A single-pole breaker controls one circuit, while a double-pole breaker controls two circuits

and provides 240 volts.




Why should electrical conductors be sized according to the load they are carrying?


✔✔Properly sized conductors prevent overheating and ensure safe operation of the electrical

system.



1

, What should be done before installing new electrical equipment?


✔✔Ensure that the power is turned off, and verify the electrical system is de-energized to avoid

accidents.




What is the purpose of a fuse in an electrical system?


✔✔A fuse protects the circuit by breaking the connection when the current exceeds a certain

level, preventing damage to the system.




How should electrical wiring be routed to ensure safety?


✔✔Wiring should be routed in accordance with the National Electrical Code (NEC) to avoid

hazards such as overheating, physical damage, or contact with water.




What does NEC stand for, and why is it important in electrical installations?


✔✔NEC stands for National Electrical Code, and it provides guidelines for safely installing

electrical systems to protect people and property.




What is the proper method for connecting electrical conductors?




2

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