... insulation PVC sheath VV cable 1.Construction:Conductor:stranded copperInsulation :pvcJacket material:pvcVoltage :0.6/1 kvColor :black,red,green, ... yellow,other optionalCross section :from 1.5mm2 --630mm2Core:1,2,3,4,5 ,3+1,3+2,4+1 ... cable trench,unable to bear external mechanical forces,Single core cable in magnteicduct is not permissibleVLYAluminum conductor ,PVC ...