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Thread: open circuit

  1. 05-28-12 12:44 PM #1
    kamps
    kamps is offline Junior Member
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    open circuit

    what happens to fire alarm system when you have an open circuit?
  2. 05-28-12 12:45 PM #2
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    Dennis Alwon
    Dennis Alwon is offline Moderator
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    I assume you have a battery backup???? What kind of system is it?
  3. 05-28-12 12:53 PM #3
    kamps
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    yes to battery and class A system
  4. 05-28-12 12:53 PM #4
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    iwire
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    Quote Originally Posted by kamps View Post
    what happens to fire alarm system when you have an open circuit?
    If it is wired class B at least some of the devices on that circuit will not work.

    If it is wired class A all devices could still work but you would get a trouble signal at the panel.
  5. 05-30-12 01:29 PM #5
    sameguy
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    Quote Originally Posted by iwire View Post
    If it is wired class B at least some of the devices on that circuit will not work.

    If it is wired class A all devices could still work but you would get a trouble signal at the panel.
    +1
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