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A fire alarm system is a building system designed to detect, alert occupants, and alert emergency forces of the presence of fire, smoke, ...
an alarm clock that sounds an alarm at a pre-set time, often used to wake a person up or remind them of an event. a fire alarm which is used to give occupants of a building early warning of a potential fire and give them time to evacuate. warning devices on a vehicle that sound when it is moving in an unexpected direction, such as reversing,
Smoke detector mounted on a ceiling. A smoke detector is a device that senses smoke, typically as an indicator of fire.Smoke detectors/alarms are usually housed in plastic enclosures, typically shaped like a disk about 125 millimetres (5 in) in diameter and 25 millimetres (1 in) thick, but shape and size vary.
A fire alarm box, fire alarm call box, or fire alarm pull box is a device used for notifying a fire department of a fire or a fire alarm activation. Typically installed on street corners or on the outside of commercial buildings in urban areas, they were the main means of summoning firefighters before the general availability of telephones.
Due to high temperatures near the equator, fire incidents are common; thus, many people started or joined volunteer fire brigades to assist the existing government fire brigade (the Dinas Pemadam Kebakaran). These volunteer fire brigades are paid Rp 0.000,- but in some cases, some people give them money for charitable reasons.
A 10-75 is a working fire (i.e., there is fire visible from a building), the 10-76/10-77 assignments are the alarm levels separate from the first alarm, second alarm, third alarms, etc. that are the standard fire department responses to fires in high-rise buildings. The signal 10-60 is a separate response to major disasters.
There was also confusion because of the contradictory instructions coming from the emergency communication system, the fire alarm instructing students to evacuate while the PA system instructed them to lock down and stay where they were. [90] Seventeen students and staff members were killed in the shooting, and a further seventeen were injured.
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 detectors. It is, however, possible for call points/pull stations to be used in conjunction with automatic detection as part of the overall fire detection and alarm system .