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F80 Code Requirements Flashcards

7 cards from real F80 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Under NFPA 72, what is the maximum spacing allowed between smoke detectors on a smooth ceiling?

    Answer: 30 feet

    NFPA 72 allows a maximum 30-foot spacing between smoke detectors on smooth ceilings with a 15-foot maximum distance from any wall.

  2. Which NFPA standard governs the installation of fire alarm systems in the United States?

    Answer: NFPA 72

    NFPA 72, the National Fire Alarm and Signaling Code, governs fire alarm system installation requirements.

  3. According to NFPA 72, a fire alarm control unit (FACU) must be listed by a nationally recognized testing laboratory (NRTL) and comply with which standard?

    Answer: UL 864

    UL 864 is the standard for Control Units and Accessories for Fire Alarm Systems, which FACUs must comply with.

  4. What is the minimum audible alarm level required by NFPA 72 in a sleeping area above the ambient sound level?

    Answer: 15 dB

    NFPA 72 requires audible alarm appliances to produce a sound level at least 15 dB above the average ambient sound level in sleeping areas.

  5. How often must a fire alarm system's batteries be replaced per NFPA 72 recommendations to ensure reliability?

    Answer: Every 4 years

    NFPA 72 recommends sealed lead-acid batteries used for fire alarm systems be replaced every 4 years.

  6. Under the California Fire Code (CBC/CFC), what height of ceiling requires additional spacing adjustments for smoke detector placement?

    Answer: Greater than 10 feet

    Ceilings greater than 10 feet in height require spacing adjustments for smoke detectors per standard code provisions.

  7. According to NFPA 72, a notification appliance circuit (NAC) must be capable of operating for how long on secondary (battery) power after a primary power failure?

    Answer: 48 hours

    NFPA 72 requires the NAC to be operable for 5 minutes of alarm at the end of a 24-hour supervisory period, but full standby is 24 hours, with alarm at end — however, the secondary power standby minimum is 24 hours followed by 5 minutes of alarm, not 48 hours; for high-rise it may be 24+5 min.