... Cat6,FTP,SFTP,Outdoor Shield,Patch Cord. 4 cores telephone wire1.Conductor:Adopt soft round copper wire as ... ,HYYCCable Construction2c,4c,6c,8cCable Cores2,3,4 cores for optionalConductorCCS,CU,CCAAWG24/26/28/30Constrution(mm ... .10Jacket ColorDifferent colors for Optional-------------------------------------------------------------------------------------------------------------- 4 cores telephone wire