Questions tagged [smoke-alarm]

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Signalling a smoke alarm from interconnected (hardwired) detectors to an alarm panel

IMPORTANT NOTE: When reading the question below, keep in mind that Maryland law defines a "smoke alarm" as "single or multiple station device ... including a built-in internal alarm [...
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What do I do if some of my smoke alarms ac power doesn't work?

I have 5 smoke detectors in my home, 2 of them have the green ac power light on and are interconnected. Those 2 are on opposite sides of my home from each other but I have 3 on 1 side but those don't ...
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Smoke detector wiring - black wire in 3 wire appears to be damaged. Can I use power from AFCI circuit to power but use red wire to interconnect?

I have ~10 smoke alarms (one per bedroom, one per hall). Somehow the last one isn't working. The green light didn't go on. I've done some troubleshooting - swapped the connectors and swapped the ...