The cable according to one embodiment of the invention comprises: one or a plurality of core members, each having a conductor and an insulation cover material covering the conductor; and a sheath layer covering the one or the plurality of core members. The sheath layer comprises an inner sheath layer, and an outer sheath layer covering the inner sheath layer. The inner sheath layer comprises a crosslinked very low density polyethylene. The main component of the outer sheath layer is polyurethane. Relative to 100 parts by mass of resin component in the inner sheath layer, the very low density polyethylene content is between 20 parts by mass and 100 parts by mass inclusive. The elastic modulus of the inner sheath layer at 25° C. is between 5 MPa and 30 MPa inclusive.

A wire harness includes a cable and a holding member. The cable includes a twisted wire, and an insulation coating that coats the twisted wire. The cable has a bent portion. The holding member covers a range of the cable including the bent portion, and retains a shape of the bent portion. The twisted wire is in contact with the holding member at least in a part of the bent portion.

A power cable includes a cable core, a jacket and an outermost semiconductor layer. The cable core includes at least one conductor, an insulating system thereof, and at least one metallic screen. The jacket surrounds the cable core and includes an inner jacket layer and an outer jacket layer. The outermost semiconducting layer surrounds the outer jacket layer in direct contact thereto. The power cable further includes a test semiconducting layer radially external to the inner jacket layer, radially internal to the outer jacket layer, and directly contacting them. A power cable system, and a jacket integrity testing method for a power cable, are also provided.

Disclosed are cable types, including a type THHN cable, the cable types having a reduced surface coefficient of friction, and the method of manufacture thereof, in which the central conductor core and insulating layer are surrounded by a material containing nylon or thermosetting resin. A silicone based pulling lubricant for said cable, or alternatively, erucamide or stearyl erucamide for small cable gauge wire, is incorporated, by alternate methods, with the resin material from which the outer sheath is extruded, and is effective to reduce the required pulling force between the formed cable and a conduit during installation.

Provided is an electric cable for a wind turbine, wherein the electric cable includes at least one cooling element) to cool the electric cable, wherein the cooling element protrudes from the surface of the electric cable.

A cable includes a transmissive core; a jacket surrounding the transmissive core, which has at least an outermost polymeric layer; and an external semi-conductive layer around and in direct contact with the outermost polymeric layer of the jacket. The external semi-conductive layer is made of a composition comprising a base polymer material and an electrically conductive filler. The electrically conductive filler includes carbon nanotubes.

A harness assembly may include a cable having a cable shielding around at least a portion of a plurality of wires, a connector with an integrated backshell arranged at an angle with respect to the cable, an external braid disposed around at least a portion of the backshell and the cable, and an overbraid around at least a portion of the external braid, the overbraid having two layers.

A differential signal transmission cable includes a conductor, a first dielectric covering the conductor, an outer conductor covering the first dielectric, a second dielectric covering the outer conductor and including a material with a higher transmission loss than the first dielectric, and a shield covering the second dielectric. A multi-core differential signal transmission cable includes a plurality of wires each including a conductor, a first dielectric covering the conductor and an outer conductor covering the first dielectric, a second dielectric covering all the plurality of wires and including a material with a higher transmission loss than the first dielectric, and a shield covering the second dielectric.

A novel data cable achieves good transmission quality in automotive Internet applications. The data cable has a transmission core with only a single stranded conductor pair or four conductors stranded together to form a quad. The transmission core is surrounded by a jacket having a high air content. The jacket may be a foamed sheath, or alternatively at least one spacer element that defines an annular sheath space with air gaps around the transmission core.

A cable unit is provided comprising: a jacket comprising at least one cable housing and at least one support housing; the or each cable housing having a tubular structure, extending in a longitudinal direction, each support housing in the plurality of support housings having a tubular structure, extending in the longitudinal direction, wherein the at least one support housing being disposed on one side of the at least one cable housing; and at least one support element retained within each support housing of the plurality of support housings, wherein the at least one support element retained within each support housing of the plurality of support housings comprises at least one portion that has an arcuate cross section in the width direction.