telephone wire 1:Type:HYV 2:PE Insulation 3:PVC insulation 4:Size:0.4, 0.5 ,0.6, 0.7mm telephone wireDescription:1:Conductor :solid copper,size 0.4, 0.5 ,0.6, 0.7mm2:the telephone cable used in indoor 2 pairs3:Standards: ISO/IEC 11801, ANSI/TIA/EIA-568AA.4:PVC jacket.5:Installation: Undercarpet or surface wiring.6:Color:white or customer design. HYV telephone wire