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RE: Cable for Smoke Detectors



Most mains powered/linked alarms are usually wired in series and
simply
require a live & neutral feed to the first detector and then 3-core
(live,
neutral and link/signal) to the other detectors.

Neil B.

-----Original Message-----
From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
Paul Gale
Sent: 09 July 2008 10:53
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Cable for Smoke Detectors

It sounds like mains voltage sensors though to me. Not sure how these are
wired though. As said before, these aren't designed to be used with an
alarm
system but used stand-alone I think.

Paul.



> -----Original Message-----
> From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf
> Of Andrew Walker
> Sent: 09 July 2008 10:48
> To: ukha_d@xxxxxxx
> Subject: RE: [ukha_d] Cable for Smoke Detectors
>
> Is that why they have 3-core and earth, the extra core is for
> signalling
> the other alarm to sound.
>
> This is what I have on the upstairs/downstairs alarms and I couldn't
> figure out the wiring.




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