A bare overhead electrical cable and a method for the manufacture of an overhead electrical cable. The electrical cable includes a central strength member and at least two conductive layers surrounding the strength member, the two conductive layers being formed from first and second conductive strands respectively. The first conductive strands are formed from first aluminum material and the second conductive strands are formed from a second aluminum material, where the second aluminum material has at least one material property that is different than the same material property of the first aluminum material. For example, the second conductive strands may be formed from an aluminum material having a lower conductivity but higher hardness than the first aluminum material. Such a configuration may be useful when the overhead electrical cable is installed in a geographic region that is subject to heavy ice loading.

Provided is a braided wire (1) capable of suppressing disconnection of strands (2) caused by vibration, and a wire harness (3) in which the braided wire (1) is used. The braided wire (1) includes a plurality of the strands (2) that are braided. The braided wire (1) has a tubular shape. The strands (2) are each constituted by an aluminum wire or an aluminum alloy wire. The strand has a strand diameter of 0.25 mm or more and less than 0.34 mm. The wire harness (3) includes the braided wire (1).

An aluminum alloy wire composed of an aluminum alloy, wherein the aluminum alloy contains more than or equal to 0.03 mass % and less than or equal to 1.5 mass % of Mg, more than or equal to 0.02 mass % and less than or equal to 2.0 mass % of Si, and a remainder of Al and an inevitable impurity, Mg/Si being more than or equal to 0.5 and less than or equal to 3.5 in mass ratio, and the aluminum alloy wire has a dynamic friction coefficient of less than or equal to 0.8.

A method for preparing a power inductor includes the following steps A to E: A: preparing a composite wire; B: winding the composite wire according to a predetermined shape and a predetermined coil quantity, so as to form coils; C: placing the coils into a mold cavity, adding metal soft magnetic powder to the mold cavity, and pressing the metal soft magnetic powder and the coils to form a base comprising the coils; D: performing sintering treatment on the base; and E: plating two terminal electrodes on two ends of the base to form the power inductor.

Embodiments of the present disclosure generally relate to a unitary electrical conduit that includes a central conductor, a socket coupled to a first end of the central conductor, a male insert coupled to a second end of the central conductor a dielectric sheath surrounding the central conductor, and an outer conductor surrounding the dielectric sheath, wherein a substantially 90 degree bend is formed along a length thereof.

The present invention discloses a metal composite wire capable of increasing a tightness degree of copper-aluminum bonding. The metal composite wire includes a metal core rod. Continuous spiral grooves are formed in a surface of the core rod The core rod is cladded with a metal cladding layer with higher electrical conductivity than the core rod. An average depth of the continuous spiral grooves 1/10 of a thickness of the metal cladding layer. By setting the thickness of the metal cladding layer as t.sub.1, a specific gravity of the metal cladding layer as.sub.1, a diameter of the core rod as R, the average depth of the continuous spiral grooves as h, and a specific gravity of the core rod as .sub.2,

[00001]$t_1=\sqrt{\frac{{\left(R-h\right)}^2{}_1+k{\left(R-h\right)}^2{}_2-k{\left(R-h\right)}^2{}_1}{\left(1-k\right){}_1}}+h-R.Math..Math.\mathrm{and}$$0.2k0.7.$

The metal composite wire of the present invention can be widely applied to cable conductors and cable shielding braiding layers.

An adhesive composition including resin and electro-conductive material, wherein the electro-conductive material is one or more salts from sodium salt, potassium salt, and calcium salt of fluorosulfonic acid having 5 or more carbon atoms shown by the general formula (1): (R.sup.1XYSO.sub.3.sup.).sub.nM.sup.n+(1), wherein, R.sup.1 represents a monovalent hydrocarbon group having 1-30 carbon atoms and optionally substituted by a heteroatom or optionally interposed by a heteroatom; X represents any of a single bond, ether group, ester group, and amide group; Y represents a linear or branched alkylene group having 2-4 carbon atoms, containing 1-6 fluorine atoms, and optionally containing a carbonyl group; M.sup.n+ represents any of a sodium ion, potassium ion, and calcium ion. This can form a living body contact layer for a bio-electrode with electric conductivity, biocompatibility, and light weight, which can be manufactured at low cost and without electric conductivity large lowering even when wetted with water or dried.

An overhead cable for the transmission of low-voltage and medium-voltage energy and digital signals, including a central fiber-optic cable, surrounded by a protective covering of the central fiber-optic cable and around such protective covering of such fiber optics by at least an aluminum alloy layer for the transmission of low-voltage and medium-voltage electric power or neutral wire and the covering thereof, where at least one aluminum alloy layer includes a 6101 aluminum alloy wire that has been heat treated, submitting the same to a temperature within a range of 260 and 300 C. and a treatment process for the aluminum alloy drawn wire.

An aluminum alloy wire with a composition that contains at least one metallic element selected from the group consisting of Fe, Cr, Ni, Co, Ti, Sc, Zr, Nb, Hf, and Ta in the total amount of more than 1.4 atomic percent and 5.1 atomic percent or less and a remainder of Al and incidental impurities, wherein the aluminum alloy wire has a tensile strength of 250 MPa or more and an electrical conductivity of 50% IACS or more.

A low voltage power conductor can include a plurality of copper-clad aluminum wires braided into a power braid. The low voltage power conductor may be configured for use in a power distribution system for distributing power from an electrical grid, and can be attached to the transformer and the power distribution module at single respective attachment points. A low voltage power distribution system can include a low voltage power conductor and a clamp that includes a clamp body and a clamp spacer. Legs of the clamp spacer can be configured to limit deformation of the low voltage power conductor upon compression of the low voltage power conductor by the clamp.