Re: How to connect window sensors?

[Jim <alarminex@xxxxxxx>]

On Oct 8, 3:38?pm, "Just Looking" <nos...@xxxxxxxxxx> wrote:
> Some folks like to use open circuit contacts and wire them like a typical
> fire circuit. That is not what the majority of the industry does. Old
> Radionics dealers used to do it that way the most. I don't know how to
> compare and contrast which method is better for lightning since one method
> is used so seldom. I don't know if balanced or biased contact do better
> either for the same reason, hardly ever gets installed that way.
>
I can tell you that a biased contact on a chain link fence is like a
lightning rod in one of my installations. Went though three Sentrol
biased contacts before the client finally had me give it up. We put up
cameras with motion detection in the storage yard instead.