Fire Alarm Signals For Sleeping Areas vs. Sleeping Units

Awaking to a smoke detector or fire alarm activation can be a jarring experience. It’s supposed to be. The point is to be awakened as quickly as possible.

When Are Low Frequency Sounders Required?

As mentioned in our last post, per NFPA 72 Chap. 18.4.6, the sound level of in-unit alarm notification in sleeping areas has to be either 15 dB over ambient, 5 dB over the highest measured sound level having a duration of at least 60 seconds or 75 dB at the pillow, whichever is greater. 75 [Read More]