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How to Maximize Existing Fire Alarm Systems by Adding Intelligible Voice Communications

Get answers to questions on how to guide conversations about retrofitting existing fire alarm panels with mass notification capabilities.


Latest in NFPA 72

Security Sales & Integration magazine 'Fire Side Chat' columnist Shane Clary discusses how two proposed National Fire Protection Association (NFPA) changes may impact authorities having jurisdiction (AHJs). Shane Clary · June 23, 2015

Security systems integrators need to be aware of appropriate mass notification system (MNS) message practices to help end user clients. Shane Clary · May 08, 2015

Get answers to questions on how to guide conversations about retrofitting existing fire alarm panels with mass notification capabilities. By Maria Marks and Dan Finnegan · May 08, 2015

Proper design of an emergency communications system requiring voice intelligibility depends on factors such as room acoustics, speaker layout and even the manner in which the person is announcing a live instruction. Shane Clary · August 27, 2014

Audibility requirements of fire alarm and emergency communications systems have become more prominent in recent years. Learn where and when you may need to heed such standards based on how NFPA 72 has addressed the intelligibility issue. Shane Clary · July 30, 2014

The wording of the 520Hz signal requirement in NFPA 72: 2010 and 2013 has caused some confusion. In general, low frequency sounders take the place of standard sounders in commercial sleeping spaces. However, there’s far more to know about the newly enacted requirement. By Rebecca Peterson · May 06, 2014

The Electronic Security Association’s (ESA) Nation Training School’s Certified Fire Alarm Designer (CFAD) designation has received approval from the Iowa State Fire Marshal. The endorsement acknowledges CFAD as an acceptable form of training for applicants seeking fire alarm system contractor licensing in the state of Iowa. October 16, 2013

Just as in real estate it’s all about location, the same can be said for heat detectors. Knowing the rules, best practices and insider tips to properly space these devices helps ensure they deliver system alerts as intended. By Shane Clary · September 30, 2013

As critical as the components of a fire/life-safety system (e.g. fire alarm control panels, smoke detectors, strobes, sirens) are, they matter little if they fail to get a signal transmitted during an emergency. Thus it is essential system designers ensure uninterrupted circuit pathways, an area that has recently been updated. July 31, 2013

Tom Connaughton is Director, Life Safety & Security Services, for Intertek, the product testing and certification firm. He joins the conversation to discuss trends and challenges in the fire/life-safety industry, as well as the codes adoption process. April 30, 2013




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