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Fire alarm manual pull stations are primarily located.
2018 nicet fire alarm systems level 1 study guide.
This pulling action then actuates a switch located within the manual pull station which in turn triggers the building s fire alarm system.
9 6 2 5 additional manual fire alarm boxes shall be located so that on any given floor in any part of the building no horizontal distance on that floor exceeding 200 ft 61 m shall need to be traversed to reach a manual fire alarm box.
A fire alarm pull station is usually hung at or near eye level in a hallway or on the wall of a common area.
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The reasoning behind locating pull stations near all building exits is so that the person activating the alarm is moving out and away from the building at the time they are activating the fire alarm system.
Nfpa 72 also called the national fire alarm code nfac is the primary document used when an engineer designs and an ec or fire alarm technician installs a fire alarm system.
Manual fire alarm activation is typically achieved through the use of a pull station usa canada or call point europe australia and asia which then sounds the evacuation alarm for the relevant building or zone.
Ideally it is located in a section of the facility that is unobstructed by other items and easily accessible.
They offer a variety of different models including single and dual action versions.
17 14 1 2 manual pull stations for initiating other than fire alarm shall be permitted if the devices are differentiated from the manual fire alarm boxes by a color other than red and labeling.
Manual fire alarm activation requires human intervention as distinct from automatic fire alarm activation such as that provided through the use of heat detectors and smoke.
Manual activation is commonly accomplished using a manual fire pull and automatic detection happens without human intervention.
Pull stations are usually one of the first things you see when entering a public building.
An introduction to fire alarm systems.
In fact fire alarm boxes a k a.
After electric fire alarm systems became commercially available they were most often installed with fire alarm boxes painted red that would be located throughout a building.
9 6 2 7 manual fire alarm boxes shall be accessible unobstructed and visible.
