Bannsider

Hi guys, I'm trying to wire 2 dome cameras but I have a problem. Both of them run on 12vdc power. I have ran one RG59+2 cable to one camera and one RG59 cable to the other. The place I'm installing the cameras into aren't too keen on spending more money to get the extra RG59+2 cable for the other camera. So my question is, how do I link the power between the two cameras? What cable do I need and how to I split them? Many Thanks