Cables from 10 to 404 pairs (5-202 quad) conductors diameters of 0.4, 0.5 and 0.6 mm, with “foam skin” insulation and filled with petroleum PE jelly. The cabling elements are star quad. Cables up to 100 pairs (50 quads) are stranded in layers and cables from 152 to 404 pairs (76-202 quads) are stranded in units of 50 pairs (25 quads). Protected with a moisture barrier sheath. They are used as subscriber distribution cables. Installation in ducts.