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Thread: horn/strobes mounting height

  1. #1
    Join Date
    Jun 2004
    Posts
    2

    horn/strobes mounting height

    Code require to install horn/strobe at 6'-8" AFF.
    If ceiling height in the basement of apartment building is lower than 6'-8", can these devices be installed lower?

  2. #2
    Join Date
    Dec 2003
    Location
    TAMPA FLORIDA
    Posts
    4,576

    Re: horn/strobes mounting height

    the idea behind 80 inches is nothing blocks the strobe.I thougt there was a min of 7 ft ceiling heights everywere
    Tampa Florida

  3. #3
    Join Date
    Feb 2003
    Location
    N.C.
    Posts
    15,191

    Re: horn/strobes mounting height

    Yes, they can be lower. As far as I know the 6'8" (or 7' to the top) is an ADA driven requirement.

    Roger
    Moderator

  4. #4
    Join Date
    Mar 2003
    Location
    Northern Indiana
    Posts
    295

    Re: horn/strobes mounting height

    NFPA 72, Section 6-4.4 also states that wall mounted apliances shall have their bottoms at heights above the finished floor of not less than 80 inches and no greatyer than 96 inches. Ceiling mounted appliances are covered by a table describing room size and candela output.

  5. #5
    Join Date
    May 2003
    Location
    Salt Lake City, Utah
    Posts
    5,319

    Re: horn/strobes mounting height

    80"-96" AFF, measured to the bottom of the device, for wall mount applications.
    Ryan Jackson, Salt Lake City
    Inspector, Instructor

  6. #6
    Join Date
    Feb 2003
    Location
    N.C.
    Posts
    15,191

    Re: horn/strobes mounting height

    Mzeleny, there you have it, you can't have a "horn strobe" in this basement or any crawl space, so if it is required, all that can be done is to condemn the building.

    Roger
    Moderator

  7. #7
    Join Date
    May 2003
    Location
    MA
    Posts
    409

    Re: horn/strobes mounting height

    I typically specify these devices to be mounted 80"AFF or 6" below ceiling height, which ever is less.

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