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NCCER Electrical Level 2 Module 3 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified £7.49
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NCCER Electrical Level 2 Module 3 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified
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NCCER Electrical Level 2 Module 3 Questions and Answers | Latest Version | 2024/2025 | Correct & Verified What is the main purpose of electric lighting? To provide illumination for visibility, safety, and aesthetics. What is the function of a light fixture? To house and support the li...

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

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NCCER Electrical Level 2 Module 3
Questions and Answers | Latest Version
| 2024/2025 | Correct & Verified
What is the main purpose of electric lighting?


✔✔ To provide illumination for visibility, safety, and aesthetics.




What is the function of a light fixture?


✔✔ To house and support the light source while directing illumination.




Why are LED lights considered energy-efficient?


✔✔ They use less power and produce more light with minimal heat.




What is a ballast used for in lighting systems?


✔✔ It regulates the current to fluorescent and HID lamps.




Why is the color temperature of a light important?


✔✔ It affects the appearance and mood of a space.




1

, What does the term "lumens" refer to in lighting?


✔✔ The measure of the total visible light output of a lamp.




Why should lighting circuits be properly grounded?


✔✔ To prevent electrical shocks and ensure safety.




What is a dimmer switch used for?


✔✔ To control the brightness of a light.




Why are reflectors used in lighting fixtures?


✔✔ To direct and focus the light where it is needed.




What is the function of a photocell in lighting systems?


✔✔ It automatically turns lights on or off based on ambient light levels.




Why is it important to match the lamp type to the fixture?


✔✔ To ensure proper operation and avoid damage to the fixture or lamp.




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