Overview

A fire alarm system is number of devices working together to detect and warn people through visual and audio appliances when smoke, fire, carbon monoxide or other emergencies are present.

These alarms may be activated from smoke detectors, and heat detectors. Alarms can be either motorized bells or wall mountable sounders or horns.

They can also be speaker strobes, which sound an alarm, followed by a voice evacuation message, warning people inside the building.

Fire extinguishing uses automatic release of water or idle Gases.

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