Abstract: A multi-core flat cable for vehicle includes a sheath covering two power wires and at least two signal wires, a pair of the signal wires is twisted and is configured as one twisted pair of signal wires, and on a section perpendicular to a longitudinal direction, a ratio (long-axis dimension/short-axis dimension) of a long-axis dimension to a short-axis dimension is equal to or greater than 1.8.

Abstract: A multi-core cable for vehicle includes two power wires, two signal wires, two electric wires, and a sheath. The two power wires have the same size and are made of the same material. The two signal wires have the same size and are made of the same material, and a pair of the two signal wires is twisted and is configured a twisted pair of signal wires. The two electric wires have the same size and are made of the same material, and a pair of the electric wires is twisted and is configured as a twisted pair of electric wires. The two power wires, the twisted pair of signal wires and the twisted pair of electric wires are stranded.

Abstract: A composite cable in which noise generated by a ground wire is less likely to intrude signal lines even in the case where the ground wire is combined. The composite cable includes a plurality of wires, a separator which covers the outer circumference of the plurality of wires all together, and a sheath which covers the outer circumference of the separator. The plurality of wires includes a plurality of signal lines, a plurality of power lines, and a ground wire. The ground wire is isolated from the plurality of signal lines with the plurality of power lines interposed therebetween.

Abstract: A coated electric wire includes a resin insulating layer configured to cover a conductor, the insulating layer covers the conductor with a thickness of 0.3 mm to 0.4 mm, a cross-sectional area of the conductor is 1.5 mm2 to 3.0 mm2, the conductor is configured by stranding a plurality of stranded wires, each of the stranded wires is configured by stranding a plurality of wires, and a diameter of the wires constituting the stranded wire arranged at a center of the conductor is greater than a diameter of the wires constituting the other stranded wires.

Abstract: A multi-core cable for vehicle includes two power wires, two signal wires, two electric wires, and a sheath. The two power wires have the same size and are made of the same material. The two signal wires have the same size and are made of the same material, and a pair of the two signal wires is twisted and is configured a twisted pair of signal wires. The two electric wires have the same size and are made of the same material, and a pair of the electric wires is twisted and is configured as a twisted pair of electric wires. The two power wires, the twisted pair of signal wires and the twisted pair of electric wires are stranded.

Abstract: A coated wire according to the present disclosure includes a first conductor and a first insulating layer of resin covering the first conductor. The first insulating layer includes an inner layer and an outer layer. Further, a storage modulus of the inner layer at a temperature of 25° C. is less than 700 MPa, and a storage modulus of the outer layer at a temperature of 25° C. is not less than 700 MPa.

Abstract: An insulated electric cable 10 has a core member 1 formed by stranding a plurality of core wires 4, each of the core wires 4 including a conductor 5 and an insulating layer 6 covering the conductor 5, an inner sheath 7 covering the core member I, an outer sheath 8 covering the inner sheath 7, and a paper tape 2 disposed between the core member I and the inner sheath 7 in a state that it is wrapped around the core member I, in which the outer sheath 8 is formed by a flame-retardant polyurethane resin, and a cross-sectional area of each of conductors 5 is within 0.18-3.

Abstract: A multi-core cable for vehicle includes two power wires, two signal wires, two electric wires, and a sheath. The two power wires have the same size and are made of the same material. The two signal wires have the same size and are made of the same material, and a pair of the two signal wires is twisted and is configured a twisted pair of signal wires. The two electric wires have the same size and are made of the same material, and a pair of the electric wires is twisted and is configured as a twisted pair of electric wires. The two power wires, the twisted pair of signal wires and the twisted pair of electric wires are stranded.

Abstract: An insulated electric cable 10 has a core member 1 formed by stranding a plurality of core wires 4, each of the core wires 4 including a conductor 5 and an insulating layer 6 covering the conductor 5, an inner sheath 7 covering the core member 1, an outer sheath 8 covering the inner sheath 7, and a paper tape 2 disposed between the core member 1 and the inner sheath 7 in a state that it is wrapped around the core member 1, in which the outer sheath 8 is formed by a flame-retardant polyurethane resin, and a cross-sectional area of each of conductors 5 is within 0.18-3.0 mm2.

Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: A composite cable which makes it possible to improve disconnection resistance of a signal line. The composite cable includes a signal line part, a pair of power supply lines, and a sheath. The signal line part is composed of a first signal line and a second signal line twisted together. Each of the first signal line and the second signal line is composed of a pair of wires twisted together. The sheath covers an outer circumference of a wire bundle composed of the signal line part and a pair of power supply lines, the signal line part and the pair of power supply lines being twisted together. The signal line part is covered with a shield conductor formed of a conductive element wire spirally wound around the outer circumference of the signal line part.

Abstract: A composite cable which makes it possible to improve disconnection resistance of a signal line. The composite cable includes a signal line part, a pair of power supply lines, and a sheath. The signal line part is composed of a first signal line and a second signal line twisted together. Each of the first signal line and the second signal line is composed of a pair of wires twisted together. The sheath covers an outer circumference of a wire bundle composed of the signal line part and a pair of power supply lines, the signal line part and the pair of power supply lines being twisted together. The signal line part is covered with a shield conductor formed of a braid composed of a plurality of conductive element wires braided together.

Abstract: A core electric wire for a multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer covering the conductor, a principal component of the insulating layer being a copolymer of ethylene and an ?-olefin having a carbonyl group; the ?-olefin content in the copolymer being 14% to 46% by mass; and a mathematical product C*E being 0.01 to 0.9, wherein C is a linear expansion coefficient of the insulating layer at from 25° C. to ?35° C., and E is a modulus of elasticity thereof at ?35° C. Average area of the conductor in the transverse cross section is 1.0 to 3.0 mm2. Average diameter of the element wires in the conductor is 40 to 100 ?m, and number of the element wires is 196 to 2,450.

Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: Provided are a core electric wire for multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for multi-core cable according to an aspect of the present invention comprises a conductor obtained by twisting element wires, and an insulating layer that covers an outer periphery of the conductor, in which, in a transverse cross section of the conductor, a percentage of an area occupied by void regions among the element wires is from 5% to 20%. An average area of the conductor in the transverse cross section is preferably from 1.0 mm2 to 3.0 mm2. An average diameter of the element wires in the conductor is preferably from 40 ?m to 100 ?m, and the number of the element wires is preferably from 196 to 2,450. The conductor is preferably obtained by twisting stranded element wires obtained by twisting subsets of element wires.

Abstract: A coated wire according to the present disclosure includes a first conductor and a first insulating layer of resin covering the first conductor. The first insulating layer includes an inner layer and an outer layer. Further, a storage modulus of the inner layer at a temperature of 25° C. is less than 700 MPa, and a storage modulus of the outer layer at a temperature of 25° C. is not less than 700 MPa.

Abstract: An object of the present disclosure is to provide a core electric wire for a multi-core cable that is superior in flex resistance at low temperature, and a multi-core cable employing the same. A core electric wire for a multi-core cable according to an aspect of the present disclosure comprises a conductor obtained by twisting element wires, and an insulating layer covering the conductor, wherein a linear expansion coefficient C of the insulating layer at from 25° C. to ?35° C. is no less than 1×10?5 K?and no greater than 2.5×10?4 K?1.

Abstract: A multicoaxial cable includes a core wire which includes a first unit formed by twisting two first insulated electric wires, each of the first insulated electric wires including a conductor and an insulating layer, the conductor being formed by stranding a plurality of child stranded conductors, each of the child stranded conductors being formed by stranding a plurality of conductor wires, and the insulating layer being formed to cover the conductor, and a sheath which covers the core wire. In the multicoaxial cable, a cross-sectional area of the conductor is 1.2 mm2 to 3.5 mm2, the conductor is formed of a hard-drawn copper wire, and an outer diameter of the insulating layer is 2.0 mm to 3.6 mm.

Abstract: The electric wire according to one aspect of the present invention is an electric wire comprising an insulated electric wire and one or more coating layers covering the insulated electric wire, wherein at least one layer of the one or more coating layers is formed from a resin composition containing a thermoplastic polyurethane elastomer and an allophanate crosslinking agent. The electric wire having such a characteristic feature is excellent in abrasion resistance and heat resistance and can be produced at low costs.