telephone cables are processed by high-speed state-of-the-art
machinery. The conductor is made of pure electrolytic
grade, super annealed, tinned copper and is insulated
with good quality PVC. The cores are carefully twisted
together with suitable lays and bunched together such
that the cross talk is reduced. Also the cores may be
helically wrapped with Myler or Polyester tape. A nylon
ripcord is also provided in order to safely peel off
the jacket without damage to the cores. The laid up
and bunched cores are finally jacketed with PVC for
The cables generally confirm to ITD specifications for
outdoor application, the above mentioned cables can
be provided with G.I wire/ strip armoured and over all
PVC jacket confirming to IS:1554 Part 1 - 1988 to make
them suitable for underground Trench/duct laying.
Armour material confirming to IS:3975. Jacket PVC compound
confirming to ST-1 of IS:5831/TM-2 of IS:13176.
Self Supporting Drop Wire
The conductor in Self Supporting Drop Wire is 0.5 mm
made out of EC grade Solid Copper Wire. This is PVC
insulated and with Fibre Glass Roving as strength member.
The cable is used for landline connected from the pole
to the subscriber end. "Prestige" Self Supporting
Drop Wire is made as per TEC Specification no. G/WIR-03/02
The Jumper Wire is made out of EC Grade Solid Copper
Wire with 0.5 mm conductor dia. This is PVC Insulated
and two cores are twisted together. The Cable is made
as per TEC Specification no. G/WIR-10/02 Dec.'94.