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The NFPA 72 (National Fire Alarm and Signaling Code) is a standard published by the National Fire Protection Association every 3 years for installation of fire alarm systems and emergency communication systems in the United States.
The NFPA 72 standard uses the term Alarm Box, which could encompass a number of initiation mechanisms. [3] A few manual call points have been approved to UL /UL Canada standards. [ 4 ] [ 5 ] At the time of this writing, the pull station is still the most prominent design in this part of the world.
New codes and standards introduced around 2010, especially the new UL Standard 2572, the US Department of Defense's UFC 4-021-01 Design and O&M Mass Notification Systems, and NFPA 72 2010 edition Chapter 24, have led fire alarm system manufacturers to expand their systems voice evacuation capabilities to support new requirements for mass ...
Pages in category "NFPA Standards" The following 15 pages are in this category, out of 15 total. ... NFPA 72; NFPA 704; NFPA 805; NFPA 921; NFPA 1001; NFPA 1006; NFPA ...
From NFPA 72, 2002 Edition: “7.4.2.1* To ensure that audible public mode signals are clearly heard, unless otherwise permitted by 7.4.2.2 through 7.4.2.5, they shall have a sound level at least 15 dB above the average ambient sound level or 5 dB above the maximum sound level having a duration of at least 60 seconds, whichever is greater ...
A 2007 U.S. guide to placing smoke detectors, suggesting that one be placed on every floor of a building, and in each bedroom. In the United States most state and local laws regarding the required number and placement of smoke detectors are based upon standards established in NFPA 72, National Fire Alarm and Signaling Code. [53]