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Questions tagged [smoke-detectors]

Device for detecting smoke and/or fire.

7 questions with no upvoted or accepted answers
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Smoke Detector wiring - impacted by 2 breakers?

dig if you will the picture of one of my smoke detectors and the curious (for me) wiring. Actually, I've taken many pictures, but each is just a mess and I think will make it harder. We have ~7 ...
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218 views

Nest Protect Expiration Date

I just bought a set of Nest Protects and after opening the first one I noticed that its manufacture date was almost a year ago and that the expiration date was 10 years from the manufacture date, not ...
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1answer
119 views

Counting Smoke Detector Wires In Junction Box

I want to connect a wire to get power for for a ceiling fan to an existing junction box in the attic that is used right now only for a smoke detector. Box currently has a 12-3 wire coming in, and the ...
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526 views

Smoke alarms start beeping after switching on the mains

I have two smoke alarms in my flat. Recently I had to change the battery for one of them, so I switched off the mains, disconnected the alarm, replaced the battery, tested it, and reconnected the ...
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61 views

Replacing an interconnected fire detector triggers the fire detectors in the rest of the house

I bought a Kidde KN-COSM-IBA to replace a 6 years old Firex i4618A detector that won't quit chirping even after battery replaced. Both the old and new detectors has the same wire quick connector that ...
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1answer
50 views

How to interconnect Kidde smoke/co combo detectors Mod# KN-cope_IC with Edwards Heat detectors Mod# CR-135-2 using relay SM120X

How do you wire the above units so the smoke/co detectors will all ring when heat detectors are activated. The heat detectors are a two wire hook-up. Existing wiring to heat detectors is existing and ...
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119 views

Smoke detector giving false alerts

At home, we have two smoke detectors: one on the ground floor and one on the first floor. The problem is that the one at the first floor gives a lot of false alerts (and the one at the ground floor ...