Telephone Cable

Telephone Cable

Conductors: Solid annealed copper
Insulation: Dual insulation consisting of an inner layer of foamed polyolefin surrounded by a solid polyolefin skin, color-coded in accordance with telephone industry standards
Twisted Pairs: Insulated conductors are twisted into pairs with varying lay lengths to minimize crosstalk Core Assembly: 
25 pairs and less; pairs are assembled together in a single group 
 More than 25 pairs: pairs are arranged in groups, each group having a color –coded unit binder 
 1200 pairs and larger are mirror image color code. 
Filling Compound: The entire core assembly is completely filled with ETPR compound , filling the interstices between the pairs and under the core tape Core Wrap: Dielectric tape applied longitudinally with an overlap Shield: Corrugated, copolymer-coated, 0.008” Al tape applied longitudinally with an overlap 
Jacket: Black, linear low density polyethylene 

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 The steel tape armor provides increased mechanical protection and gopher resistance 

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Tinde foam skin insulated filled telephone cables are intended for duct and direct buried installations where protection against water and moisture entry is required and may also be installed aerially.

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