Re: Pre-Wire Question

[Matt Ion <soundy@xxxxxxxxxxxxxxx>]

Robert L Bass wrote:
>>I have a CCTV customer who is looking for me to run his alarm wire while I
>>run my RG59.  For GB's & motions I am guess 4 conductor unshielded 18
>>gauge
>>is the way to go.  For door contacts I am guessing 2 conductor 18 guage
>>unshielded.  Do most of you guys just run 4 conductor everywhere for
>>purposes of time and in the odd chance you need a spare pair?  Thanks..
>>not
>>looking to do this on a regular basis..
>
>
> Unless the runs are especially long, most installers use 22/4 for glass
> breaks and motion detectors.  Although magnetic contacts only require 2
> conductors, I always ran 4-wire cable to them as well.  As you surmised, it
> can come in handy in case you need to add something later or in the event a
> staple goes awry during the prewire.  Be sure you home run each detector.

It also saves you from having to pack around two different boxes of cable.