A multicore cable includes a plurality of coated electric wires; a detection wire; and a sheath. The coated electric wires include an electric wire conductor and an electric wire coating. The electric wire conductor is a stranded wire of a plurality of electric wire filaments. The electric wire coating covers an outer surface of the electric wire conductor. The detection wire includes a detection wire conductor that is a stranded wire of a plurality of detection wire filaments. The sheath covers an outer surface of a core that includes the coated electric wires and the detection wire. The detection wire is disposed in a region enclosed by the coated electric wires. A filament diameter of the detection wire filaments is equal to or greater than a filament diameter of the electric wire filaments.

The present disclosure provides a cable structure with information transmission and risk early warning functions and a method of using the same. An optical fiber unit includes a communicating optical fiber unit and a sensing optical fiber unit. The communicating optical fiber unit consists of a single-mode optical fiber and a casing for protecting the optical fiber. The sensing optical fiber unit consists of a single-mode optical fiber and/or a multimode optical fiber and a casing for protecting the optical fiber. The optical fiber unit includes a single optical fiber or a plurality of optical fibers. The optical fiber in the communicating optical fiber unit and the optical fiber in the sensing optical fiber unit are packaged separately in separate casings or packaged together in a same casing. The optical fiber unit is placed between an outer sheath and a waterproof insulating layer of the power transmission unit.

A secured cable system for protecting an inner cable is disclosed. The secured cable system includes a cable security system having a first security tape including a tape portion upon which a plurality of detection lines are arranged. The security system may also include a detection box in electrical or optical communication with each of the detection lines in the first security tape. In one embodiment, the security tape is spiral wrapped about the inner cable in a first direction along a length of the inner cable, the security tape being overlapped upon itself at a predetermined overlap factor. The secured cable system may also include a second security tape including a tape portion upon which a plurality of detection lines are arranged in a pattern wherein the second security tape is wrapped about the first security tape in a second direction opposite the first direction.

A device has an electric power supply line between an electrical load and a DC voltage source with a positive pole and a negative pole. The supply line delivers the requisite electrical energy for the operation of the load. The electric power supply line includes at least four adjacently routed, identically configured and insulated individual conductors of equal length, wherein at least two individual conductors connect the positive pole to the load, and at least two individual conductors connect the negative pole to the load. Each of the individual conductors forms an independent electrical connection between the DC voltage source and the electrical load.

A cable includes a wire bundle composed of a plurality of wires bundled together; a binder tape spirally wound around an outer circumference of the wire bundle; a conductive tape having electrical conductivity and spirally wound around an outer circumference of the binder tape; and a sheath covering the binder tape and the conductive tape. The conductive tape is spirally wound around the outer circumference of the binder tape in such a manner that one end and an other end in a width direction do not overlap, a twisting direction of the plurality of wires in the wire bundle and a spiral winding direction of the binder tape are opposite, and the spiral winding direction of the binder tape and a spiral winding direction of the conductive tape are the same. A damage detection device for detecting damage to the cable is configured such that an electric current is applied to the conductive tape and the linear conductor and a damage detection signal indicating that damage has occurred to the cable is output when the electric current is inactive.

A cable includes a wire bundle composed of a plurality of wires bundled together, a binder member spirally wound around an outer circumference of the wire bundle, and a sheath covering the binder member. The binder member includes a base material composed of a band-shaped insulating material, and a planar conductor provided on one side of the base material along a longitudinal direction of the base material. The binder member is overlappedly wound around the outer circumference of the wire bundle in such a manner that ends in a width direction of the base material overlap each other. A damage detection device includes the binder member and a damage detection circuit that detects an occurrence of damage when the planar conductor is damaged.

A high voltage system for an electrified vehicle includes a first high voltage component, a second high voltage component, and a high voltage cable. The high voltage cable provides power between a first location of the first high voltage component and a second location of the second high voltage component. The high voltage cable includes a core, a sheath disposed around and along the core, and one or more detection layers at least one of (a) disposed around and along the sheath or (b) disposed within the sheath. The one or more detection layers are configured to facilitate detecting at least one of (a) damage or wear to the sheath or (b) a location of the damage or wear along the sheath.

An electrified vehicle includes a chassis, an energy storage system supported by the chassis, a high voltage component, a conduit, a high voltage cable, and a controller. The high voltage cable is routed through the conduit and provides high voltage power between the energy storage system and the high voltage component. The controller is configured to (a) initiate an alarm if a person is attempting to access the high voltage cable with the high voltage power active, (b) disengage a contactor of the energy storage system to stop providing the high voltage power through the high voltage cable in response to (i) the person attempting to access the high voltage cable with the high voltage power active and/or (ii) the person accessing the conduit, and/or (c) prevent access to the high voltage cable in response to the contactor being engaged and the high voltage power being active.