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Thread: fire alarm systems

  1. #1
    Join Date
    Nov 2008
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    Loveland,CO
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    4

    fire alarm systems

    what is the nominal zone circuit voltage in an addressable fire alarm system?

  2. #2
    Join Date
    Jan 2008
    Location
    Littleton, CO
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    264
    If it's the SLC you're talking about it's a pulse that measures around 5 to 10 volts.

  3. #3
    28 to 32 VDC

  4. #4
    Join Date
    Jan 2004
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    Right here.
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    1.21 jiggawatts.

  5. #5
    Join Date
    Dec 2006
    Location
    missouri
    Posts
    475
    Quote Originally Posted by mdshunk View Post
    1.21 jiggawatts.
    i think my daughters were doing that dance earlier:smile:

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