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  1. G

    Smoke Alarm

    Problem is that it's known fact that EMI interference travels down the interconnect line from alarm to alarm. :P No name CFL's, L/V Transformers, dimmers are known culprits re generating this interference. BT have reported some instances of bad interference knocking broadband signal over ...
  2. G

    Radio controlled 'Smokes'...

    re battery heat alarms, you could fit one that is mains with (loose) battery back up, and just run on battery Mains Heat Alarm + Alkaline Battery Back Up
  3. G

    CO2 and smokes

    try Mains Carbon Monoxide Alarm and of course its "CO" not "CO2"Guiness DrinkGuiness Drink
  4. G

    domestic smoke alarm certs

    Domestic alarms are tested by BSI to generate 85db at 3 metres.
  5. G

    Heat detectors...

    Guidance here: Technical Guidance Alarm Types Technical Guidance Alarm Types :D
  6. G

    Smoke Alarm

    Best on dedicated circuit as less chance of EMI from other devices on circuit ie d/light transformers/ soem CFL's, dimmers. Also 17th edition requires Safety Services to be on dedicated circuit, and I recall ability to be isolated independenly.
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