Questions tagged [smoke-detectors]

Device for detecting smoke and/or fire.

9 questions with no upvoted or accepted answers
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What could cause smoke detector false alarms in different rooms, a few days apart?

We purchased a 17-year-old home in Florida (USA) a few months ago, that has seven smoke detectors (one in each of its four bedrooms, two in hallways, and one in the main living space). A few days ago,...
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523 views

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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68 views

Repurposing smoke detector power as fixture power

I removed a wired smoke detector and replaced it with a popular wifi-enabled battery-powered model. I'm left with a box that has: a black wire a white wire a red wire a ground I'm assuming the ...
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555 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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32 views

How to connect fire (smoke or thermal difference), gas and CO alarms wirelessly?

There're detectors for smoke and thermal differences matching the characteristics of fire, carbon monoxide (CO) as well as natural gas. For some reason only some are combined (in the room where the ...
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30 views

What type of wire to use for an overhead drop. For Fire Alarm system?

Type of wire needed? It seems to be a #14, 3 wire SO cord which was not the correct wire to use it has broken down in the sunlight. The insulation is brittle and it some places removed.
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2k views

Can a smoke alarm with cut wires cause a fire?

Can a smoke alarm with cut wires cause a fire? Not, that it might not detect a fire (I don't expect it to any more), but that the smoke detector itself may cause a fire. For my specific case, I cut ...
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67 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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122 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 ...