Halogen-Free Polyethylene Insulated Telephone Cables TPPepng(A)-HF..-200 for Reliable Communication

1 Conducting cores - single-wire from copper soft wire. 2 Insulation - of polyethylene, in the form of a continuous concentric layer. 3 Pairs - twisted from insulated conductors of different colours.

Pairs are twisted in five or ten-pair elementary bundles. 4 Core - twisted from elementary bundles of different colours. 5 Belt insulation - made of polyamide, polyethylene, polyethylene terephthalate or polypropylene tapes.

6 Shield: aluminopolyethylene tape laid lengthwise. A tinned copper wire is laid longitudinally under the screen. 7 Sheath: halogen-free polymer composition.