for telephone networks and data application. communication cable: for telephone networks and data applicationConductor: Class 1 solid annealed copper;Insulation: Hard grade PVC;Twisting: Two or three insulated conductors twisted into a pair or triples;Stranding unit: 5 or 10 pairs;Laid-up: Unit are laid up into a compact and symmetrical cable core;Sheath: PVC communication kable