Directional Sounders Part II - Code Requirements and Applications

Last month’s issue featured the first article in a series about exit marking directional sounders, in which we discussed the purpose of these new devices, explained their development and covered the basic acoustic principles on which they...


Greg Kessinger, SET, CFPS, is the chair of the NBFAA’s Fire and Life Safety Committee. He can be reached at Greg@firealarm.org or www.FireAlarm.org.