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Fire detection and alarm system ppt.
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Initiating device circuits notification appliance.
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Fire alarm and supervisory systems may be installed to complement wet or dry sprinkler systems flow and pressure devices are installed to supervise the systems movement in the devices would indicate a sprinkler head activation due to a fire or water leak due to pipe break etc.
Fire alarm circuit classes 2007 nfpa 72 6 4 2 1 class.
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