UTC Fire & Security Recessed Steel Door Contact Wire 1"Diameter Grey 1/2"Gap 1078-G

Please find this product at http://absupply.net/ This video is to bring you a closer look at the GE 1076-N Recessed Magnetic Contact for Steel Doors, Single Throw Double Pull in White. So they are for steel doors because all that you are doing is drilling a 1 inch diameter hole in the edge of your door, this would be your door portion with the magnet. This would be your frame portion with the wires. All you are doing is drilling a 1 inch hole and it's a pressure fit right at the edge of the door frame and this is obviously giving notification back to a center point of control or a monitoring area, a condition of the door being open or closed is what this is doing. White finish will work up to a 1/2 inch gap which would be quite significant; you wouldn't have a steel door frame with a gap that wide. You know, very easy to install, you've got your white, black, and red wires here for wiri