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NCCER Electrical Review Questions Module 11 Questions and Answers | Latest Version | 2024/2025 | Graded A+ $10.04
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NCCER Electrical Review Questions Module 11 Questions and Answers | Latest Version | 2024/2025 | Graded A+
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NCCER Electrical Review Questions Module 11 Questions and Answers | Latest Version | 2024/2025 | Graded A+ How does an overload relay protect a motor? An overload relay trips when a motor draws too much current for too long, protecting the motor from overheating and damage. What is the si...

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  • January 4, 2025
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nccer electrical review questions module 11 questi

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  • NCCER Electrical
  • NCCER Electrical

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NCCER Electrical Review Questions
Module 11 Questions and Answers |
Latest Version | 2024/2025 | Graded A+


How does an overload relay protect a motor?


✔✔An overload relay trips when a motor draws too much current for too long, protecting the

motor from overheating and damage.




What is the significance of voltage drop in electrical systems?


✔✔Voltage drop is the loss of voltage as current flows through a conductor, which can affect the

performance of devices and systems.




What is the purpose of an electrical conduit?


✔✔An electrical conduit protects and routes electrical wiring, shielding it from physical damage

and environmental factors.




What is the role of an ammeter in an electrical circuit?


✔✔An ammeter measures the amount of current flowing through a circuit.



1

, How does a voltmeter differ from an ammeter?


✔✔A voltmeter measures the voltage between two points in a circuit, while an ammeter

measures the current flow.




What is the purpose of a Ground Fault Circuit Interrupter (GFCI)?


✔✔A GFCI protects against electric shock by shutting off power when it detects a ground fault

or current imbalance.




What is the main advantage of using a three-phase electrical system?


✔✔A three-phase system provides a more stable and efficient power supply, suitable for heavy

machinery and industrial equipment.




How does a step-up transformer differ from a step-down transformer?


✔✔A step-up transformer increases voltage, while a step-down transformer decreases voltage for

specific applications.




What is the function of a junction box in electrical systems?




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