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
Accurate recordkeeping is essential to be successful in any business enterprise, but for fire systems contractors it could be a matter of life or death. Brush up on the requirements and catch up on new additions to NFPA 72’s Documentation specifications.
By Shane Clary · April 30, 2013
Sharing knowledge, wisdom and experiences is the path to continuing to move fire and life safety forward. This goes for innovating products, saving lives and reducing injuries and property loss, as well as running more successful businesses. That’s why conferences like NFPA’s recent Suppression, Detection and Signaling Research and Applications Symposium (SUPDET) are so important. .
By Shane Clary · April 02, 2013
While NFPA 72 is the most widely referenced document for installing fi re system contractors, the codes and standards it contains are a distillation from a host of other influential organizations and governing bodies. Being a true professional means understanding not just what these directives are but also the how and why.
By Shane Clary · September 30, 2012
Large occupancies in which high-quality sound is imperative, such as stadiums and performance theatres, invest big dollars in audio design, testing and equipment systems. Less attention has been paid to the quality of sound emitted by emergency notification devices in large structures; NFPA 72-2010 is making engineers and contractors take notice, however.
September 30, 2012