TPPBBShv cable

TPPBbShv - for laying in soils of all categories (except for mechanised laying in rocky soils), not subject to permafrost deformations, with single laying. TPZ - single-wire made of copper soft wire. Insulation - polyethylene.

Pairs - of insulated cores of different colours. Pairs are twisted in 5 or 10 elementary bundles. Core - of 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 with thickness not more than 0,2 mm without polyethylene underlayer. 4 tinned copper wires are laid under the screen. Protective sheath: polyethylene.

Protective hose - polyvinylchloride plasticate. Protective cover - from two tapes of crepe paper, applied spirally with overlapping, two steel tapes, applied with a gap.