Indoor switch Board Telephone CablesUsed fro indoor installation for the interconnection of telephone, telegraph and electronic equipments.Solid annealed plaintinned copper conductorPVC insulation1 pair to 200 pairAvailable in 0.4, 0.5, 0.6, 0.71, 0.8, & 0.9 (mm).Armoured and unarmoured.Confirming to Indian & International standards