Abstract: An electric wire conductor is excellent in space saving and flexibility and is less likely to concentrate a load on specific elemental wires, and a covered electric wire and a wire harness contain the electric wire conductor. The electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together. The wire strand has a sector-shaped part in which a cross-section intersecting an axial direction of the wire strand contains either a single edge or two edges touching each other at an apex, and an outward curve connecting the ends of the single edge or the two edges. In the sector-shaped part, the elemental wires having deformation ratios from a circle lower at an outer peripheral part facing an outer periphery of the sector-shaped part than at a center part of the sector-shaped part located inside the outer peripheral part in the cross-section intersecting the axial direction.

Abstract: An electric wire conductor 10A comprising a wire strand comprising a plurality of elemental wires 1 twisted together, the wire strand comprising a deformed part in which a cross-section of the wire strand intersecting an axial direction of the wire strand is formed into: a flat shape in which a width W of the cross-section is larger than a height H of the cross-section, or a sector shape comprising either a single edge or two edges touching each other at an apex and an outward curve connecting the ends of the single edge or the two edges, the elemental wires 1 having, in the cross-section of deformed part, deformation ratios from a circle of 70% or lower at an outer peripheral part facing an outer periphery of the deformed part than at a center part located inside the outer peripheral part. Further, a covered electric wire has such an electric wire conductor 10A and an insulator to cover an outer periphery of the electric wire conductor 10A. Furthermore, a wire harness includes such a covered electric wire.

Abstract: A communication cable contains: at least one signal line including a pair of insulated wires placed side by side, each insulated wire having a conductor and an insulation covering which covers the conductor; a shielding body which covers the at least one signal line; a sheath which covers the shielding body; and a bend restricting member which restricts bending of the at least one signal line in a lateral direction a which is a direction along which the pair of insulated wires are placed side by side, as compared with bending of the at least one signal line in a vertical direction intersecting the lateral direction.

Abstract: An electric wire conductor having both flexibility and a space-saving property, a covered electric wire, and a wiring harness containing such an electric wire conductor. The electric wire conductor contains a plurality of elemental wires twisted together, and has a non-circular portion in which a cross section intersecting an axial direction of the wire strand has a non-circular shape. The cross section of the non-circular portion has a continuous vacancy capable of accommodating two or more of the elemental wires. Further, a covered electric wire contains the electric wire conductor and an insulator covering the electric wire conductor. Furthermore, a wiring harness contains the covered electric wire.

Abstract: The application discloses a communication cable that includes a twisted pair of insulated wires twisted with each other, and a sheath covering a single one of the twisted pair. The twisted pair is adhered to a portion smaller than an entire inner surface of the sheath. Each of the insulated wires includes a conductor that has a tensile strength of 400 MPa or higher, and an insulation coating that covers the conductor. The communication cable has no conductive shield inside or outside the sheath, and the communication cable has a characteristic impedance of 100±10?.

Abstract: A method for producing an aluminum wire that has high strength and high conductivity even when reduced in diameter while having excellent elongation and improved in productivity. A method for producing an aluminum wire includes a solution step of subjecting a heat-treatable aluminum alloy material to a solution treatment, a wire-drawing step of subjecting the solution-treated aluminum alloy material to wire-drawing processing, a softening step of subjecting the wire-drawing processed aluminum alloy material to a softening treatment in a short time within 10 seconds, and an aging step of subjecting the softening-treated aluminum alloy material to an aging treatment.

Abstract: A communication cable that has a reduced diameter while ensuring a required magnitude of characteristic impedance. The communication cable contains a twisted pair that contains a pair of insulated wires, twisted with each other and a sheath covering the twisted pair. Each of the insulated wires, contains a conductor that has a tensile strength of 400 MPa or higher and an insulation coating that covers the conductor. The sheath is made of an insulating material having a dielectric tangent of 0.0001 or higher. The communication cable 1 has a characteristic impedance of 100±10 ?.

Abstract: A shielded communication cable that includes a twisted wire pair formed by a pair of core wires that each include a conductor and an insulator covering the conductor and that are twisted together; a first sheath covering the pair of core wires that are twisted together; a shield layer covering the first sheath; and a second sheath covering the shield layer, wherein: the shielded communication cable does not include a drain wire, the shield layer is formed by a multilayer body that includes a metal foil layer and a resin layer disposed on one surface of the metal foil layer, and the shielded communication cable is used for communications in an automobile.

Abstract: A communication cable that has a reduced diameter while ensuring a required magnitude of characteristic impedance. The communication cable contains a twisted pair that contains a pair of insulated wires twisted with each other and a sheath covering the twisted pair. Each of the insulated wires contains a conductor that has a tensile strength of 400 MPa or higher and an insulation coating that covers the conductor. A gap G is formed between the sheath and the insulated wires constituting the twisted pair. The communication cable has a characteristic impedance of 100±10 ?.

Abstract: An electric wire conductor having both flexibility and a space-saving property, a covered electric wire, and a wiring harness containing such an electric wire conductor. The electric wire conductor contains a plurality of elemental wires twisted together, and has a non-circular portion in which a cross section intersecting an axial direction of the wire strand has a non-circular shape. The cross section of the non-circular portion has a continuous vacancy capable of accommodating two or more of the elemental wires. Further, a covered electric wire contains the electric wire conductor and an insulator covering the electric wire conductor. Furthermore, a wiring harness contains the covered electric wire.

Abstract: An electric wire conductor capable of achieving both flexibility and a space-saving property, a covered electric wire and a wiring harness including such an electric wire conductor. The electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together, and has a flat portion where a cross-section intersecting an axial direction of the wire strand has a flat shape. A covered electric wire contains the electric wire conductors and an insulator covering the electric wire conductors. A wiring harness contains such covered electric wires.

Abstract: A communication cable that includes a twisted wire pair that includes a pair of insulated wires that are twisted together and that each include a conductor and an insulating covering that covers an outer periphery of the conductor; and a sheath that is made of an insulating material and continuously covers an entire outer periphery of the twisted wire pair about a center along a longitudinal axis of the twisted wire pair, wherein the sheath has a dielectric loss tangent of 0.0001 or more in a frequency range of 1 to 50 MHz.

Abstract: Provided are an electric wire conductor having both flexibility and a space-saving property, a covered electric wire, and a wiring harness containing such an electric wire conductor. The electric wire conductor contains a plurality of elemental wires, and has a flat portion in which a cross-section intersecting an axial direction of the wire strand has a flat shape. Deformation ratios of the elemental wires at peripheral end parts in a width direction are 70% or lower of deformation ratios of the elemental wires at center parts. Further, a covered electric wire contains the electric wire conductor and an insulator covering the electric wire conductor.

Abstract: A shielded communication cable that includes a twisted wire pair formed by a pair of core wires that each include a conductor and an insulator covering the conductor and that are twisted together; a first sheath covering the pair of core wires that are twisted together; a shield layer covering the first sheath; and a second sheath covering the shield layer, wherein: the shielded communication cable does not include a drain wire, the shield layer is formed by a multilayer body that includes a metal foil layer and a resin layer disposed on one surface of the metal foil layer, and the shielded communication cable is used for communications in an automobile.

Abstract: An electric wire conductor having both flexibility and a space-saving property, a covered electric wire, and a wiring harness containing such an electric wire conductor. The electric wire conductor contains a plurality of elemental wires, and has a flat portion in which a cross-section intersecting an axial direction of the wire strand has a flat shape. In the cross-section of the flat portion, a vacancy ratio defined as a ratio of vacancies not occupied by the elemental wires is 17% or higher. Further, a covered electric wire contains the electric wire conductor and an insulator covering the electric wire conductor. Furthermore, a wiring harness contains the covered electric wire.

Abstract: A communication cable that has a reduced diameter while ensuring a required magnitude of characteristic impedance. The communication cable contains a twisted pair that contains a pair of insulated wires, twisted with each other and a sheath covering the twisted pair. Each of the insulated wires, contains a conductor that has a tensile strength of 400 MPa or higher and an insulation coating that covers the conductor. The sheath is made of an insulating material having a dielectric tangent of 0.0001 or higher. The communication cable 1 has a characteristic impedance of 100±10?.

Abstract: A communication cable that has a reduced diameter while ensuring a required magnitude of characteristic impedance. The communication cable contains a twisted pair that contains a pair of insulated wires, twisted with each other and a sheath covering the twisted pair. Each of the insulated wires, contains a conductor that has a tensile strength of 400 MPa or higher and an insulation coating that covers the conductor. The sheath is made of an insulating material having a dielectric tangent of 0.0001 or higher. The communication cable 1 has a characteristic impedance of 100±10?.

Abstract: A copper alloy wire, a copper alloy twisted wire, a covered electric wire, and a wiring harness that have high strength and excellent impact resistance. A copper alloy wire for use as a conductor has a ratio of 0.2% proof stress to tensile strength that is 0.87 or less. A copper alloy twisted wire includes a plurality of the twisted copper alloy wires. A covered electric wire includes a conductor including the copper alloy wire and an insulation cover that covers an outer periphery of the conductor. A wiring harness includes the covered electric wire, and a terminal metal fitting that is attached to the conductor of the covered electric wire.

Abstract: A covered electrical wire comprising a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a strand of a plurality of copper alloy wires: composed of a copper alloy containing Fe in an amount of 0.2% by mass or more and 1.5% by mass or less, P in an amount of 0.05% by mass or more and 0.7% by mass or less, Mg in an amount of 0.01% by mass or more and 0.5% by mass or less, and one or more elements selected from C, Si and Mn in an amount of 10 ppm by mass or more and 500 ppm by mass or less in total, with the balance being Cu and impurities; and having a wire diameter of 0.5 mm or less.

Abstract: A communication cable that includes a communication line that includes a pair of insulated wires that each include a conductor that has a cross-sectional area of less than 0.22 mm2 and an insulating covering that covers an outer periphery of the conductor, wherein the communication cable has a characteristic impedance in a range of 100±10?, and a difference in capacitance between the insulated wires forming the communication line is 25 pF/m or less.