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May 13, 2022 · Fire alarm systems consist of various complex devices that play a significant role in detecting, controlling, and reducing the spread of commercial fires. These devices are known as initiating devices. Initiating devices are connected to a fire alarm system’s control panel and can be activated manually or automatically during a fire emergency.
Manual fire alarm activation. An activated manual call point in Japan. Telephone jacks are visible beneath the open cover. Manual fire alarm activation is the process of triggering a fire alarm through a call point, pull station, or other device. This usually causes the alarm to sound the evacuation signal for the relevant building or zone.
Mar 25, 2021 · According to NFPA 72, fire alarm initiating devices are defined as devices used to manually or automatically signal a fire alarm system to initiate responses from equipment and people. These devices connect to the alarm system’s control panel and are under the control panel’s surveillance. When triggered, the control panel identifies the ...
Jul 17, 2023 · A good rule of thumb is to always install manual stations at 48 inches (1.22 meters) to the top of the device. This way, regardless of where the handle is, it will always comply with NFPA 72. Section 17.6 of NFPA 72 provides the design requirements for heat-sensing fire detectors.
Jul 31, 2020 · NFPA 72 refers to fire alarm pull stations as “manual fire alarm boxes.”. The code requires that the travel distance to the nearest pull station on a given floor must be no more than 200 feet. So, the larger the building and the longer its hallways, the more pull stations will be required. Likewise, the more exits there are in a building ...
May 1, 2021 · Section 17.15 covers manually actuated alarm-initiating devices, also known as pull stations. All manual alarm initiating devices shall be listed in accordance with standards such as ANSI/UL 38, Standard for Manual Signaling Boxes for Fire Alarm Systems. It is permissible to use manual fire alarm boxes for guards signaling stations as well.
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A fire alarm system is a type of network consisting of a number of devices that are working together for the purpose of detecting and warning people by alarms when fire, smoke, carbon monoxide, or other emergencies are present. The alarms that a fire alarm system generates can be activated automatically from smoke detectors and heat detectors.
