Tag: alarm systems

Smoke alarms

Low Frequency Fire and Smoke Alarms

Article by Bob Taylor The optimal sound and sound level for fire and smoke alarms has long been debated. The hope is that the right sound will be recognizable by building occupants and evoke the immediate desired response of evacuation. Beginning July 1, 1996, NFPA 72, National Fire Alarm and Signaling Code required that the […]