UTP 4-pair cable types, species, size 23 AWG UL CMR/NEC type are Rated as copper (Copper Conductor) with a PVC Jacket FR (Flame Retardant Polyvinyl Chloride)
The four pairs of UTP cable with 23 AWG CMR UL / NEC Rated species Conductor Copper (Copper Conductor) Jacket with a FR PVC (Flame Retardant Polyvinyl Chloride).
As late UTP type 4 coaxial cable size 23 AWG CMR UL / NEC Rated type has a copper conductor (Copper Conductor) is Jacket is FR PVC. (Flame Retardant Polyvinyl Chloride).