Cable TPPPShv - for laying in the telephone sewer, in collectors, shafts, on the outer and inner walls of buildings, indoors and suspension on supports for single laying. Conducting cores are single-wire made of soft copper wire.
Insulation - polyethylene. Pairs - twisted from insulated cores of different colours.
Pairs are twisted in five or ten-pair elementary bundles. Core - twisted from elementary bundles of different colours.
Belt insulation - polyethylene or polyvinylchloride or polyamide or polyethylene terephthalate or paper-polyethylene tapes. The use of dissimilar tapes is allowed.
Shield: aluminium-polyethylene tape with thickness not more than 0,22 mm, laid longitudinally. It is allowed to use aluminium tape not more than 0,2 mm thick without polyethylene underlayer.
Under the screen winding (or longitudinally) 4 tinned copper wires are laid. Protective sheath: polyethylene.
Protective hose - polyvinylchloride plasticate.
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