Salient features range : 0.40.450.50.60.70.80.9 mm dia conductors upto 50 pairs .solid 100% pure annealed baretinned electrolytic copper conductorpvc & pe insulationindividual overall shielded with aluminium tape polyster backed . Application for telecom data transmission in telephones, intercoms, epbax, fax, closecircuit security system, residential industrial telephone line .