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Recent content by princetonbrian

  1. princetonbrian

    Smoke Detector Sensitivity

    Can anyone tell me what year NFPA started requiring sensitivity testing of smoke detectors. I have some simplex smoke detectors dated 1986 with no sensitivity listing on the label. Just wondering if these were made prior to mandated sensitivity testing.
  2. princetonbrian

    Fire Pump Phase Reversal

    Can anyone explain to me how to test fire pump phase reversal. I know NFPA requires it to be tested but can not find out how this is done.
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