Patent ID: 6563052
Filing Date: 2003-05-13
Classification: H01B

Abstract:
An electric installation cable with a core, in which insulated conductors, each comprising a wire and a surrounding insulation, forming the core and serving to conduct electricity are bound together as one unit, characterized in that:the unit comprises four of said insulated conductors (A) twisted together to form a star-quad; the insulation (2) of the conductors (A) has an inner layer (6) made up of a cross-linked polyolefin and an outer layer (7) made up of a foamed, also cross-linked polyolefin; an inner sheath (12) is extruded around the conductors (A); the inner sheath (12) is surrounded by a shield (3) of plastic film (8) coated with aluminum on both sides; tinned copper wires functioning as a ground wire (4) are twisted around the shield (3) in at least one layer; and the tinned copper wires (4) are surrounded by a jacket (5) made of insulating material.