What is the fire alarm?

Fire alarm is a source to warn the work force and adjacent by passers etc. It may be visual, sound or physical (vibration etc).

A fire alarm system is a set of electric/electronic devices/equipment working together to detect and alert people through visual, audio or physical appliances (like vibration) when smoke/fire is present. These alarms may be activated from smoke detectors, heat detectors, water flow sensors, which are automatic or from a manual fire alarm pull station. Physical appliances i.e. vibration etc. used to alert the disable person who can not see or listen.

A fire alarm is is noisy sound made by the fire control system by coordinating from the source of the fire or the trigger.Fire,heat and smoke is detected by special device that is designed to detect smoke,temperature and heat.

Fire alarm is a system which works on sensors and relays. sensors detects smoke and sends a signal to relay then relay closes the alarm switch .....

Fire alarm is noisy  comes hooter or sounder which are installed in peoples woking area and connected with fire panel,And Fire alarm we can find out the location of fire through the fire panel,

fire alarm is basically a part of emergency planning, this alarm has a sound like a siron to inform the people in work place that fire or smoke emergency occured, therefore the alarm indirectly instruct the people to exit from the nearist exit way. the can be alarmed automatically through fire or smoke sensors fixed every where work place or can b alarmed manually by a red button......