Re: Question about how alarm triggers work

[BIOSMonkey <none@xxxxxxxx>]

On Thu, 15 Dec 2005 18:37:27 GMT, Frank Olson
<Use_the_email_links@xxxxxxxxxxxxxxxxxxxxxx> wrote:

>BIOSMonkey wrote:
>> My home is prewired for a security system and it appears that there are single
>> wires going to each window/door.  I am confused, though, how a single wire can
>> detect the state of a trigger on the end when there is no common ground?
>>
>
>
>Your home was actually prewired for self-destruction.  Pull the wire and
>run.  <kidding>
>
>Chances are what you're looking at is jacketed four conductor 22 gauge
>wire.  You'll have to pull it down to verify it, but (dollars to donuts)
>that's what you've got.

Thanks, you're probably right.  I'll check it when I get home but it was so thin
that glancing at it I didn't think it would have multiple conductors.