0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What is a battery-operated smoke detector?
A battery-operated smoke detector is one which is not connected to your homes power supply.
When was the fire detector invented?
The ionization type smoke detector was invented in 1931 in Switzerland.
Do I need a battery smoke detector as a backup?
If your home smoke detector is tied into your electricity and is equipped with a battery backup you should not need an additional smoke detector. You should insure that the batteries are charged and that the smoke detector is functioning properly at least once a month if not more often.
Who invented the smoke detector?
timothy lunsford
What causes a smoke detector to chirp?
The battery for the battery backup is weak maybe
What does a beeping horn in your smoke detector mean and a red flash?
Either there is smoke, or the battery is going dead.
How often should smoke detector batteries be changed?
When the smoke detector first starts signaling low battery with short widely spaced high pitched chirps, or if when you press the test button the alarm does not trigger.After replacing the batteries, press the test button. If the alarm does not trigger with fresh batteries, replace the smoke detector.
Why is it important not to used Nicads in smoke detectors?
The battery in a smoke detector should last a year (though the detector should be checked monthly). The detector works on "trickle" current that is always there. NiCads will lose more current than an alkaline battery from just sitting around - much more. Even a fully charged NiCad will usually not last a year in a smoke detector. Alkaline batteries will easily.
What are the advantages of hard wired versus battery only smoke detectors?
If the battery dies the smoke detector sill works, that the biggest advantage to using hard wire.
What did the first smoke detector look like?
cooll
How far is Ottawa from Vancouver appoximately?
first optical smoke / heat detector to second optical smoke/heat detector maximum distance.
How often should you change a smoke alarms battery?
As soon as the detector indicates a low battery, otherwise once per year.
