​brushing Up On Panels & Enclosures

16 Questions | Total Attempts: 84

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Questions and Answers
  • 1. 
    What’s Wrong With This?Can you identify any issues with the installation depicted in the attached photo, if any?
  • 2. 
    A fire alarm system requires a dedicated branch circuit and locked breaker rated at no greater than ______.
    • A. 

      A. 20 amps

    • B. 

      B. 240 volts

    • C. 

      C. 15 amps

    • D. 

      D. 40 amps

  • 3. 
    According to the ______, the opening of equipment doors or hinged panels must be able to open ______ degrees.
    • A. 

      A. NEC; 45

    • B. 

      B. manufacturer; 90

    • C. 

      C. UL; 180

    • D. 

      D. NEC; 90

  • 4. 
    All alarm panel enclosures are UL listed for commercial applications, otherwise they wouldn’t be manufactured.
    • A. 

      A. True

    • B. 

      B. False

  • 5. 
    Burglar alarm panels operate ______. 
    • A. 

      A. at any temperature or humidity

    • B. 

      B. within specific temperature ranges specified by the manufacturer

    • C. 

      C. -20 deg. C to 140 deg. C

    • D. 

      D. only in climate-controlled environments

  • 6. 
    Alarm panel circuit boards have built-in transformers to reduce 110VAC to usable DC voltage for charging the backup battery.
    • A. 

      A. True

    • B. 

      B. False

  • 7. 
    A momentary closing, break or opening of a circuit or detection device with no apparent reason for the activation is called a ______.
    • A. 

      A. swinger

    • B. 

      B. false alarm

    • C. 

      C. All of the above

    • D. 

      D. None of the above

  • 8. 
    The NEC does not specify a clear work space requirement for low-voltage applications.
    • A. 

      A. True

    • B. 

      B. False

  • 9. 
    When the source of the alarm notification voltage is the control panel, the output is considered ______.
    • A. 

      A. dry

    • B. 

      B. normally open

    • C. 

      C. normally closed

    • D. 

      D. wet

  • 10. 
    Residential alarm-sounding devices shall have a minimum dB rating of ______ at ______.
    • A. 

      A. 50; 50

    • B. 

      B. 75; 25

    • C. 

      C. 85; 10

    • D. 

      D. 85; the pillow

  • 11. 
    Two speakers connected in parallel will ______ the resistance.
    • A. 

      A. increase

    • B. 

      B. decrease

    • C. 

      C. have no effect on

    • D. 

      D. double

  • 12. 
    Ground fault circuit interrupters are not permitted to be used on alarm panels.
    • A. 

      A. True

    • B. 

      B. False

  • 13. 
    The NEC allows the connection of ______ to the small appliance branch circuit in the kitchen, pantry, breakfast room, dining room or similar area.
    • A. 

      A. the alarm panel

    • B. 

      B. an electric clock

    • C. 

      C. a refrigerator

    • D. 

      D. None of the above

  • 14. 
    Because wires going into the enclosure of a burglar alarm are low voltage, there is no requirement for bushings or fittings.
    • A. 

      A. True

    • B. 

      B. False

  • 15. 
    A location not suitable for the alarm panel is the ______.
    • A. 

      A. attic

    • B. 

      B. basement

    • C. 

      C. hall closet

    • D. 

      D. laundry room

  • 16. 
    A dedicated branch circuit is required for which panel?
    • A. 

      A. burglar alarm

    • B. 

      B. access control

    • C. 

      C. medical alert

    • D. 

      D. fire alarm

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