Standard Voice Low X-Talk Data Cable Core Conductors Solid annealed Copper or Tinned Copper Solid annealed Copper or Tinned Copper Solid annealed Copper or Tinned Copper Conductor Diameter 0.5 - 0.9 mm 0.5 - 0.9...

  Primary Secondary Tertiary Core Conductors Solid annealed Copper Solid annealed Copper Solid annealed Copper, Tinned Copper, Copper clad Steel Conductor Diameter 0.32 - 1.0 mm 0.32 - 1.0 mm 0.32 - 1.0...