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Q: Why does all fire alarm goes off without fire?
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Who gets called when a fire alarm goes off?

There are many different kinds of fire alarms: some notifications are local, some remote.Local, self-contained alarms only notify those who are within earshot of the noise. Anyone hearing an alarm would need to take steps to notify the fire department.Other "local" alarms could include smoke detectors that are wired together so that when one goes off they all go off, thus signalling anyone within earshot of any of the other smoke detectors.More sophisticated systems have a local panel and local alarm signal systems that may include horns, strobes, and other signals within the structure.Finally, some fire alarm panels are required to be connected for "remote signalling" to a licensed monitoring center or dispatcher who can then relay the information to the fire department and others for response to the alarm.


Why to use pnp transistor in fire alarm circuit?

You can use a PNP or an NPN transistor in a fire alarm circuit. Both will work. It all depends on how you want to energize the alarm, and with what polarity of signal.


The fire alarm in your factory was disabeld where do you stand?

You have lost all fire protection in that building if the over all "general alarm" has been disabled. You will need to contact a fire alarm contractor to assist in bringing the system back up, and to meet code requirements. If you are not responsible for making these decisions, then call your local fire station and determine with them the fire marshal responsible for your area and file a complaint.


What is the function of fire alarm system?

A fire alarm system will indicate a FIRE EMERGENCY requiring immediate action. The system shall alert all occupants of a building where it is installed when a fire emergency is present.


Makr a list of all the sounds that warn you of danger?

Fire alarm sound,anbulance siren sound,alarm bell sound and car theft alarm.


Do all clock radios have alarm functions?

Yes, all clock radios do have alarm functions. I was unable to find one without it after searching.


What is a fire alarm cause and effect matrix?

That is the analysis in which process generate and sort hypothesis about possible problem in the process by asking participant to list all the causes.


Where to buy a notifier fire alarm system?

any home improvement store can supply you with a good home fire alarm system. home depot, canadian tire and walmart all have exactly what you're looking for.


Are fire alarms and smoke detectors the same thing?

The terms can sometimes mean the same thing: a self-contained smoke detector with a built-in fire alarm.However, they are technically different and can be obtained in many types.A fire alarm SYSTEM can contain smoke detectors, heat detectors, manual pull stations and other sensors related to fire protection, including switches that say the fire sprinklers or the commercial kitchen fire extinguisher has activated. All of these sensors and switches are wired to a fire alarm control panel that monitors them constantly for electrical trouble or for alarm conditions, relaying the alarm message to bells, sirens, strobe lights and maybe even calling the fire department.Most people say "smoke detector" when they mean "self-contained smoke alarm". The smoke alarm does not usually connect to anything other than maybe another smoke alarm or two, so they all make noise when there is a fire, but someone still has to remember to call the fire department.


2002 ford explorer alarm system goes off by itself?

If your 2002 Ford Explorer alarm system goes off by itself, you probably have a wire that is exposed or a connection that is not completely closed. Check all wires for the alarm system and reset the system itself.


Whats fire alarm is used to?

A fire alarm system will indicate a FIRE EMERGENCY requiring immediate action. The system shall alert all occupants of a building where it is installed when a fire emergency is present.


Do fire doors in hotels close when a wall alarm is broken?

There are many different kinds of fire doors and not all of them are tied to the alarm system. Some fire doors will only close when there is enough heat to sever a fusible link. However, as a general rule, automatically closing fire doors that are latched open with electrical controls would release the latch and close the relevant fire doors upon triggering of the fire alarm by any initiating device.