... telephone wire Flat telephone cable Round Telephone cable Twisted-pair Outdoor Telephone WireStandards:UL20251Sranded Bare or Tinned Copper Conductor ... Telephone CableStandards:IEC189,BS4808Solid Bare or Tinned Copper ConductorPVC insulationCores twisted as pair typePVC jacket2, 4, 6, 8, 10, 25 coreWe ... also can supply CCA or CCS conductor Outdoor Twisted-pair Telephone Wire