An insulated electrical wire that includes a conductor and an insulating layer covering a circumferential surface of the conductor, in which the insulating layer is composed of a resin composition that contains poly(4-methyl-1-pentene) as a main component and a melt mass flow rate of the poly(4-methyl-1-pentene) measured at a temperature of 300° C. and a load of 5 kg according to the 1999 edition of JIS-K 7210 is 50 g/10 min or more and 80 g/10 min or less.

A resin composition contains a vinyl chloride resin and a dinonyl phthalate. When a serape abrasion test specified in JASO D618 is conducted on an insulated. electrical wire including a conductor having a cross-sectional area of 0.3 mm.sup.2 covered with the resin composition in a thickness of 0.30 mm, the number of reciprocations is 100 or more. When the insulated electrical wire is wound around a mandrel having the same diameter as that of the insulated electrical wire in an environment of −65° C., the conductor is not exposed. When the insulated electrical wire having been heated at 85° C. for 3000 hours is wound around a mandrel having a diameter 1.5 times as large as that of the insulated electrical wire in an environment of 23 ±5° C., the conductor is not exposed.

A conductor assembly including an electrically conductive material defining a longitudinal axis, a microporous membrane surrounding the electrically conductive material defining a series of pores, and a ceramic material within at least a first portion of the series of pores.

Example embodiments provide a device that includes a main cable jacket including one or more sub-cable jackets, and each of the sub-cable jackets includes a number of conduits.

An enhanced breakdown strength dielectric material comprises a base dielectric layer having first and second opposing major surfaces. A first stress mitigating layer is disposed on the first major surface of the base dielectric layer. A second stress mitigating layer disposed on the second major surface of the base dielectric layer. A volume conductivity of at least one of the first and second stress mitigating layers is at least 2 times a volume conductivity of the base dielectric layer.

There is illustrated and described a plastics material hose comprising: a hose wall of plastics material, and an electrical conductor, wherein the electrical conductor is constructed as a braid having a plurality of fibres. In order to achieve compensation for and reliable discharge of electrical charge concentrations with specific disadvantages being avoided, it is proposed that the braid have at least one carbon fibre.

The present invention generally relates to deformable polymer composites, and more particularly to, deformable polymer composites with controlled electrical performance during deformation through tailored strain-dependent conductive filler contact. According to embodiments, a deformable elastomeric conductive material includes: an elastomeric polymer matrix; and conductive filler material uniformly dispersed in the elastomeric polymer matrix sufficient to render the material electrically or thermally conductive. The conductive filler material comprises a plurality of substantially non-entangled particles having an aspect ratio sufficiently large to enable the particles to substantially remain in contact and/or in close proximity with adjacent particles so as to maintain conductive pathways in the material when the material is subjected to deformation up to and exceeding 10% strain.

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.

A wiring harness has a waterproof structure in which a waterproof agent covers a conductor exposed portion-and outer peripheral surfaces of end portions of wire covering members of a plurality of insulated wires in succession, the portion including a splice portion where portions of the members of the insulated wires are removed and the exposed conductors are spliced together and a bundle of the exposed conductors of the insulated wires, the end portions being adjacent to the portion, whereby the portion is sealed with the waterproof agent, wherein the waterproof agent is a cured product of an ultraviolet curable adhesive agent that contains(A) an ester acrylate having a linear or branched C2-C12 alkyl group, (B) a (meth)acrylate compound comprising at least two urethane bonds in one molecule, and (C) a photopolymerization initiator.

Aspects of the present invention relate to reinforced electric wires, particularly reinforced electric wires as used in holiday lighting such as Christmas light strings. In some embodiments, the reinforced electric wire can comprise a conductor, a reinforcing string or one or more reinforcing threads, and an insulator jacket. In some embodiments, the conductor comprises a plurality of conductor strands and one or more reinforcing strands arranged within an insulator jacket. Methods of making wires in accordance with various embodiments are also provided herein.