Connection sleeve suitable for armored 3-conductor plastic cables without an outer conductive layer. Enables the connection of cables of different cross-sections and conductor materials, even with different cable constructions. Suitable for press or screw connectors. Areas of application: indoors, outdoors, soil, water, installation ducts. Properties: compact dimensions, large cross-section range, immediately ready for use, high mechanical strength, quick, easy and safe installation. Scope of delivery: thick-walled heat-shrink outer hose with thermoplastic adhesive, inner jacket sleeve, copper braided hose, roller spring, cleaning cloth, emery cloth, installation instructions.