Practice Test GeeksBOC - Building Operator Certification Practice Test
← All BOC Flashcard Decks

Electrical Systems and Lighting Flashcards

6 cards from real BOC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Electrical Systems and Lighting flashcards as text

  1. What is the function of a circuit breaker in an electrical system?

    Answer: Protect against overcurrent

    A circuit breaker protects an electrical circuit from damage caused by overcurrent or short circuit by interrupting the flow of electricity.

  2. Which type of lighting is most energy-efficient for commercial buildings?

    Answer: LED

    LED lighting uses significantly less energy than traditional lighting sources and has a longer lifespan, making it ideal for commercial use.

  3. What device measures the amount of electrical energy consumed?

    Answer: Electric meter

    An electric meter tracks the amount of electrical energy used over time, typically in kilowatt-hours (kWh).

  4. What is the purpose of using motion sensors in lighting systems?

    Answer: Reduce energy by turning off unused lights

    Motion sensors help save energy by automatically turning lights on when movement is detected and off when the space is unoccupied.

  5. Which term refers to the rate at which electrical energy is used?

    Answer: Power

    Power is the rate at which energy is consumed, measured in watts or kilowatts.

  6. Why is it important to balance electrical loads in a facility?

    Answer: To prevent overloads and increase efficiency

    Balancing loads prevents circuit overloads, reduces energy waste, and improves safety and equipment lifespan.

How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy

Sources & references

Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy

  1. theboc.info — Late registration, renewal, test delivery, fees, exam format, passing score, registration deadline, retake fee, retake policy, score release · verified Oct 2026