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NCCER Electrical Level 2 Module 5 Test Questions and Answers | Latest Version | 2024/2025 | Correct & Verified $9.41
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NCCER Electrical Level 2 Module 5 Test Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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NCCER Electrical Level 2 Module 5 Test Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is an "arc fault" in an electrical system? An electrical malfunction caused by a high-energy discharge that can lead to fires What is the standard method for calculating e...

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  • December 18, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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NCCER Electrical Level 2 Module 5 Test
Questions and Answers | Latest Version
| 2024/2025 | Correct & Verified
What is an "arc fault" in an electrical system?


✔✔ An electrical malfunction caused by a high-energy discharge that can lead to fires




What is the standard method for calculating electrical power in a circuit?


✔✔ Power is calculated using the formula: P = V × I (where P is power, V is voltage, and I is

current)




What does the term "high-leg delta" refer to in electrical systems?


✔✔ It refers to a specific type of three-phase system where one leg has a higher voltage than the

others




What is the role of a fuse in overcurrent protection?


✔✔ It is a safety device that melts when the current exceeds a specified level, breaking the

circuit




1

, What does "voltage drop" affect in long-distance electrical wiring?


✔✔ It can cause a loss of voltage at the load end of the circuit, resulting in reduced performance

of electrical devices




What is the function of a load center in an electrical system?


✔✔ To distribute electricity to various circuits and provide protection against overcurrent




What is the definition of "electrical impedance"?


✔✔ The opposition that a circuit presents to the flow of alternating current




What is the primary purpose of a grounding electrode conductor?


✔✔ To connect the electrical system to the ground for safety and fault protection




What is the difference between a single-phase and a three-phase electrical system?


✔✔ A single-phase system uses one alternating current (AC) waveform, while a three-phase

system uses three AC waveforms to provide more consistent power




What does a continuity test check for?


2

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