These subscriber connecting cables are suitable for laying in under ground, in cable ducts and cable conduits. These cables are allowed in all types of installation plants. The cavities of the cable core. filled continuously with viscous compound (F). Both sides of PE-copolymere coated aluminium type (L) which is spliced with the outer PE-sheath ensures a barrier against water vapour and crosswise and longitudinal water tightness. Black coloured PE-sheath is UV-resistant. The Polyethelene material (PE 2Y) is halogen-free.