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Fire alarm system. A fire alarm system is a building system designed to detect, alert occupants, and alert emergency forces of the presence of fire, smoke, carbon monoxide, or other fire-related emergencies. Fire alarm systems are required in most commercial buildings. They may include smoke detectors, heat detectors, and manual fire alarm ...
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.
Multiple-alarm fire. One-alarm fires, two-alarm fires, three-alarm fires, etc., are categories classifying the seriousness of fires, commonly used in the United States and in Canada, [citation needed] particularly indicating the level of response by local authorities. The term multiple-alarm is a quick way of indicating that a fire is severe ...
An email from Amazon warning customers to be careful of a possible gift card scam went awry when customers reported that they worried the legitimate company message might have been, itself, a scam ...
A fire alarm notification appliance is an active fire protection component of a fire alarm system. A notification appliance may use audible, visible, or other stimuli to alert the occupants of a fire or other emergency condition requiring action. Audible appliances have been in use longer than any other method of notification.
Fire alarm call box. 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 ...
The Law of Innocence. Fair Warning is a 2020 thriller written by American author Michael Connelly. It is the third novel featuring Jack McEvoy, a Los Angeles investigative reporter for the consumer watchdog news service Fair Warning, as well as former FBI agent Rachel Walling. The novel is a sequel to the events in Connelly's 2009 book The ...
An early warning system is a warning system that can be implemented as a chain of information communication systems and comprises sensors, event detection and decision subsystems for early identification of hazards. They work together to forecast and signal disturbances that adversely affect the stability of the physical world, providing time ...