... Telephone Cable,Parallel Telephone CableStandards:UL20251Sranded Bare or Tinned Copper Conductor or Tinest WirePP InsulationPVC jacket2 core, ... core, 8 coreRound Telephone CableStandards:IEC189,BS4808Solid Bare or Tinned Copper ConductorPVC insulationCores twisted as pair typePVC jacket2, 4, ... 8, 10, 25 coreWe also can supply CCA or CCS conductor Tinned copper telephone cable,Parallel Telephone cable