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  • Signal Synchronization
    Synchronization refers to the alarm, annunciator, or control panel that provides built-in synchronization of audible signals or strobes. NFPA 72 requires visual appliances to flash in synchronization in rooms or areas where there are two or more visual devices that are not a minimum of 55 feet
  • Alarmed Smoke Detectors
    Smoke detectors may have audible alarms, visual alarms, (LEDs) or both. They may also have alarm output to a control unit. Smoke detectors without a built in alarm come with alarm contacts for output to an external annunciator in the detector base or to a control unit. Smoke sensing ICs may come

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