KF-X5EBS Structure:single-strand bare copper ,polythene insulated two insulated wire twist together as couple,polythene or PVC or non-haloge jacket. Standards:GB YD/T 83813-1997,US.Standards EIA/TIA-568-A,1995 IEC 1156-3:1995,it is apply to ISDN.ATM155Mpbs,622Mpbs and 1000Mpbs TPDDI in high speed Internet, KM Internet. KF-X5EBS Super five-class wrie 305m/case Gray