Fire alarm bells installed as part of an nfpa 72 fire alarm system should be mounted well above the head of an average person while leaving clearance between the bell and the ceiling.
Ceiling mounted fire alarm sounder.
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See 18 5 4 1 and 18 5 4 2 and for ceiling mounted strobes no more than 30 ft.
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The strobe is always located in the center of the coverage area.
Wall mounted fire strobes must be placed 80 to 96 inches above the floor and at least six inches from the ceiling in all non sleeping areas.
Lay the foundation for reliable alarming and evacuation in your building with our extensive portfolio of addressable ceiling and wall mounted sounders voice sounders and beacons.
The low frequency sounder bases meet the new nfpa72 2010 2013 low frequency requirements as well as the new nfpa 720 2012 carbon monoxide low frequency requirements effective january 1 2015.
Refer to the annex of nfpa 72 for exceptions to these guidelines a 18 5 4 3.
Applications include emergency communication severe weather emergency response and many more.
A plan view of a ceiling mounted fire alarm notification device s coverage area shows that the coverage projects outward along the strobe s mounting surface at an equal distance on all sides creating the square coverage areas listed in nfpa 72.
If the ceilings are higher than 30 feet the strobes must be mounted on the wall.
Studies driving these requirements have shown that a lower frequency is more effective at waking individuals in a fire event including those with.
En54 23 coverage c 3 15 red flash.
Sonos pulse ceiling mounted visual alarm devices are available as fire beacons or combined sounder beacons.
The potter ccs cchs colored lens series are indoor ceiling mount strobe or horn strobe combinations that offer dependable audible andvisual signals for warning and emergency notification.
From the 2016 edition of nfpa 72.
The ceiling mounted speaker strobe is a selectable candela speaker strobe and the ceiling or wall mounted speaker is designed to meet code requirements for audio visual and voice communications.
18 4 8 location of audible notification appliances for building or structure.
Ceiling mounted fire strobes should not be more than 30 feet above the floor.