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Old 06-21-2009, 11:01 PM   #3
tw
Read? I only know how to write.
 
Join Date: Jan 2001
Posts: 11,933
Quote:
Originally Posted by richlevy View Post
We recently purchased new wired smoked detectors for the house. About 3-4 times in the past two months, the detectors have gone off for about 5 seconds during inclement weather.
An inexpensive monitor is the clock on a microwave or the timer on a VCR. Meanwhile, smoke detectors also contain a UPS - that 9 volt battery. If power should be interrupted, then the battery simply takes over.

However, what is the detector supposed to do when power is lost? Flick off its circuit breaker to confirm.
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