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chirping noise
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  1. Residential Electrical Forum
    I was reading a 2010 post about FireX smoke alarms and I have the same problem. However, I'm not sure my smokes are FireX. I wasn't able to revive that thread so I've started a new one. These are hardwired smokes, with yellow interconnect wires and 9V battery backup. Smokes chirp but hard to...
  2. General Electrical Discussion
    A weird 2-3 second chirping sound, quite loud, like from giant insects in a horror movie, is heard whenever I turn off the living room lights at night through throwing the light switch on the wall. The light switch on the wall controls two table lamps with compact fluorescent bulbs, one being 23...
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