Re: Question about how alarm triggers work

["Crash Gordon" <webmaster@xxxxxxxxxxxxxxxxxxxxx>]

It's one of them Belgian systems that detect intrusion by Bio Induction
Feedback (BIF) totally immune to muzzling. You only need one conductor at
all openings but your flooring must be sheetmetal.



"Frank Olson" <Use_the_email_links@xxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:HJiof.112637$ki.29988@xxxxxxxxxxx
| 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.
|