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The battery needs to be replaced

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Q: Why would smoke detectors go off intermittently?
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What is the Illinois law pertaining to smoke detectors?

I'm not familiar with the Illinois laws, however the National Fire Protection Agency, of which the National Electrical Code is a part of (NFPA 70), requires that a smoke detector be installed on each level of the home and one in each bedroom. AC smoke detectors are "interconnected" with each other. This means that when one detects smoke and is triggered, every AC detector in the home will be triggered as well. The straight DC battery-operated ones will not go off with the AC detectors.


Why do smoke detectors make a beeping noise when the electric goes off they are not hooked to any electric?

When the electricity goes out, a smoke detector may make a final beep as it's capacitor is discharged, as a warning. If the smoke detector has a battery backup, some detectors will beep just to let you know the power is off, and some other units will only beep when the power is off AND the battery is low. Usually there is a legend on the back of the unit that will tell you what the different beeps mean.


Where smoke detectors are used?

According to NFPA 72, the national fire code, smoke detectors shall be installed in each sleeping area, outside each sleeping area, and on each story of a home, i.e. top and bottom of stairways.


Describe how smoke detectors use alpha particles and what sets off the alarm?

Alpha particles constantly released by americium knock electrons off atoms in the air ionizing the oxygen, nitrogen atoms


Can you change a hard wired smoke detector with the electric on?

It is not a good idea to work on any electrical circuits with the voltage on. Depending on the year when your smoke detector was installed it might have a quick disconnect to change out the device without having to physically having to undo any wire connections. Earlier models had screw terminals that connected to the circuit. Turn the circuit breaker off that supplies the voltage to the smoke detectors. Copy on a piece of paper the wire colours that are on the specific terminals of the detector. Replace the wires on the same terminals on the new detector. Turn on the breaker, the smoke detector will beep and then go quiet, They are now monitoring your home again. Don't forget, when you have the power off, vacuum the other detectors to get rid of built up dust that can cause nuisance tripping.

Related questions

How do smoke detectors detect smoke?

Smoke detectors detect smoke by not detecting it. They sense not the smoke, but the oxygen levels surrounding it. when the oxygen levels drop, or when smoke replaces the oxygen, the alarm goes off.


Do volcanoes set off false alarms?

Nope... Only smoke for smoke detectors!


Many smoke detectors contain?

a. Americium-241 Smoke detectors might have an ionizing chamber. If it does, the chamber holds a radioactive nuclide to ionize the particles in the smoke to set off the detector. Usually the radioactive source is americium.


Why don't smoke detectors and refrigerators have a switch?

Neither one should be shut off.


A synthetic element that is used in smoke detectors is?

Americium-241 this is an emitter of alpha radiation, which is used in smoke detectors as it is very ionising and will not be able to travel through smoke. Therefore, in a fire the detector will not receive any alpha radiation and hence the alarm will go off.


What are important about heat detector?

They detect heat instead of smoke. They are widely used in boiler houses, kitchens where a lot of steam and smoke is created. If a smoke detector was installed in this application, then there would be a lot of false alarms. So instead, they detect the heat intensity of a fire which will set off the fire alarm. They are also less likey to be set off by accident. Spiders, dust, deodrant etc sets off smoke detectors quite frequently. this does not happen in heat detectors.


Why don't smoke detectors and refrigerators have switches?

That is a pretty obvious question for smoke detectors. it is so you ccant turn them off and let everyone in your home die in a horrible fire. fridges dont have them so your food and beer stays fresh and cool.


How Do smoke alarm Work?

There are 2 types of smoke detectors: ionization detectors and photoelectric detectors. Although they use different mechanisms both essential set off an alarm when smoke obscures the line of sight between 2 objects within the detector.


How does a smoke alarm work?

press onThere are two kinds of smoke detectors. 1. When a fire burns, it releases smoke. The smoke detector senses the smoke. 2. A fire is very hot. The detector feels the heat. A smoke detector will then either set off an alarm, or it will turn on the sprinklers.


How to Keep Your Smoke and Fire Detectors Working Perfectly?

When you invest in smoke and fire detectors, you're doing it to help enhance the safety and security of your home. However, many people start to forget that these detectors need to be maintained like any other piece of equipment in their homes and the smoke and fire detectors start to degrade. In order to keep your smoke and fire detectors working in tip-top shape, make sure to regularly test them using the integrated test button. Also, don't just wait until the "low battery" beeps start going off to change the batteries. Change batteries regularly whether or not they're low.


What is the Illinois law pertaining to smoke detectors?

I'm not familiar with the Illinois laws, however the National Fire Protection Agency, of which the National Electrical Code is a part of (NFPA 70), requires that a smoke detector be installed on each level of the home and one in each bedroom. AC smoke detectors are "interconnected" with each other. This means that when one detects smoke and is triggered, every AC detector in the home will be triggered as well. The straight DC battery-operated ones will not go off with the AC detectors.


Why do smoke detectors make a beeping noise when the electric goes off they are not hooked to any electric?

When the electricity goes out, a smoke detector may make a final beep as it's capacitor is discharged, as a warning. If the smoke detector has a battery backup, some detectors will beep just to let you know the power is off, and some other units will only beep when the power is off AND the battery is low. Usually there is a legend on the back of the unit that will tell you what the different beeps mean.