Telephone station cables not spreading combustion, with low smoke and gas emission TSVng(A)-LS

1 Conducting cores - single-wire from copper soft wire.
2 Insulation - made of polyvinylchloride plasticate.
3 Pairs - twisted from insulated cores of different colours.
4 Elementary bundles - twisted from pairs, coloured with binding thread.
5 Core - twisted from elementary bundles.
6 Belt insulation - polyethylene terephthalate film laid spirally or longitudinally.
7 Shield - soft aluminium foil laid spirally with overlapping. A tinned copper wire is laid longitudinally under the screen.
8 The sheath is made of polyvinylchloride plasticate of reduced fire hazard.