Re: Garage Door Contact - Any alternatives to drilling concrete?

["Rich" <rich3784@xxxxxxxxxxx>]

I use the large steel ones with armor cable to the wall. I have some that
have been in five years and no recalls.




"Beachcomber" <invalid@xxxxxxxxxxxx> wrote in message
news:45a887f7.23303828@xxxxxxxxxxxxxxxxxxx
>
> I would like to wire a contact to my residential garage door to
> indicate when it is open at a remote location and possibly connect to
> an alarm system.   The relay and the wiring I can handle.
>
> What I don't like are the large contacts that need to fastened to
> drilled into the concrete driveway.  This seems to be the most common
> type of contact available.  I know they are sealed but I have issues
> with lots of water and drilling holes in the concrete that may lead to
> damage later on.
>
> Can anyone recommend alternatives?
>
> I'm looking for something simple like a mercury tilt/position switch
> that can be mounted on or near the support rails.  Before I jury rig
> something, I was wondering if anyone has had success with something
> off-the-shelf.
>
> I've tried wireless.   In my setup it doesn't work... the distance is
> too great.  The door would come down and the receiver would get stuck
> with the indicator in the UP position.
>
> Thanks!
>
> Beachcomber
>
>