single/multiple copper wire Insulation: PEinsulation 4pair color code: white-blue/blue white orange/orange white gr Conductor: single/multiple copper wire Insulation: PEinsulation 4pair color code: white-blue/blue white orange/orange white green/green white brown/brown Screen; aluminum Mylar tape, wrapping rate more than 25% Drain wire: tinned soft or annealed copper Jacket: normal 7.44mm fire retartant PVC colors available upon request