Abstract: A highly flame-retardant UTP cable may have a plurality of pair units formed by a plurality of conductive wires twisted together, wherein each conductive wire includes a conductor, an insulator surrounding the conductor, an outer jacket surrounding the plurality of pair units, and a separator including one or more partition walls disposed between the plurality of pair units, wherein any cross-section of the cable has a cross-sectional limited oxygen index, of 57% or more.

Abstract: The present disclosure relates to a power cable system capable of determining the possibility of brittle fracturing of a different conductor connecting part of power cables due to tensile force applied to the different conductor connecting part, the power cable system comprising: a first conductor constituting a first power cable; a second conductor constituting a second power cable; and the different conductor connecting part formed by bonding the first conductor and the second conductor by means of resistance welding, wherein the average thickness of an intermetallic compound layer formed on the bonding surface of the different conductor connecting part is 10 ?m or less, which is the critical average thickness at which a brittle fracture occurs during a tensile test.

Abstract: The present disclosure relates a multi-core optical cable with a plurality of optical units, in which damage to a core is prevented during the stripping of a jacket for connection or splitting of the optical cable, and the workability of stripping the jacket is improved.

Abstract: The present disclosure relates to a central tension line for an overhead power transmission cable having a damage detection function and an overhead power transmission cable comprising same, wherein it is possible to detect whether the central tension line is damaged before installing the overhead transmission cable on a pylon or before clamping for the installation of the overhead transmission cable, and after installing the overhead transmission cable on the pylon; and the central tension line has excellent tensile strength, thus having excellent sag properties preventing the wired overhead transmission cable from sagging, and has flexibility, thus improving wiring workability, while the central tension line suppresses corrosion and damage to a conductor wire disposed around the central tension line, and thus eliminates or minimizes an increase in resistance of the overhead transmission cable and the resultant reduction in transmission capacity, and enables the reduction of weight and manufacturing costs.

Abstract: The present disclosure relates to an optical cable in which an optical fiber bundle with clustered or bundled optical fibers is accommodated in a tubular member and the optical fibers are formed in an excess group length (EGL) by modeling considering bending properties of the optical cable or a lossless bending radius of the optical fibers of the optical fiber bundle, thereby minimizing stress, damage or optical loss of the optical fibers in the optical fiber bundle.

Abstract: A power cable system and method for connecting multiple power cables and conductors thereby forming a cable connection structure. The multiple conductors have different melting points. The cable connection structure having volume rate increase regions of the multiple conductors formed by preprocessing of the multiple conductors to increase durability of the conductor connecting part in the cable connection structure. The multiple conductors are connected by resistance welding.

Abstract: A bus duct as may be installed in a data center or the like to supply power to a data server or the like, and a bus duct system provided with the same, is provided with branch boxes for branching that may be conveniently installed at necessary locations to supply power to power-consuming equipment with reliable connections for power delivery.

Abstract: The present disclosure relates to an optical fiber ribbon, which is a component included in a high-density optical fiber cable including high-density optical fibers (which are installed in a limited space such as a conduit line) per unit area to build a large-capacity communication network, in which bonding of optical fibers is maintained to allow the optical fibers to be rolled in a width direction, and which is configured to achieve an optimal separation force on each bonding region in a longitudinal direction of the optical fibers and a direction perpendicular to the optical fibers, thereby improving workability in splitting or connecting the optical fiber ribbon and preventing inadvertent separation of the optical fibers of the optical fiber ribbon during the manufacture of the optical fiber cable.

Abstract: The present disclosure relates to a different type power cable core connection device for minimizing the volume of a connection device for connection of different type power cables and minimizing cracking of an insulation molding part having a connection conductor embedded therein when current is conducted to conductors of cores of the different type power cables, and a different type power cable connection system including the same.

Abstract: An ultra-high voltage direct current (DS) power cable may be provided via a conductor formed by twisting a plurality of strands, an inner semiconducting layer surrounding the conductor, an insulating layer surrounding the inner semiconducting layer; and an outer semiconducting layer surrounding the insulating layer, wherein the insulating layer is formed of an insulation composition containing a polyolefin resin and a crosslinking agent, and the insulating layer is divided into three equal parts in a thickness direction, the three equal parts including an inner layer, an intermediate layer and an outer layer.

Abstract: The present disclosure relates to a composite cable for a vehicle and a composite cable assembly, which are capable of simultaneously providing a communication function and power to an electronic parking brake (EPB) and an anti-lock brake system (ABS) for use in a vehicle, and maximizing electromagnetic compatibility (EMC) shielding performance between internal components or external cables.

Abstract: Provided is a high-voltage power cable. Specifically, the present disclosure relates to a high-voltage power cable that exhibits excellent dielectric strength, such as dielectric breakdown voltage and impulse breakdown strength, and that is capable of implementing and maintaining dielectric characteristics even when a temperature of a cable insulator rises due to the transmission of power or when negative impulse or polarity reversal occurs.

Abstract: The present disclosure relates to an electric vehicle charging cable, in which a cooling fluid is used to efficiently cool heat generated during charging of an electric vehicle, a thermally conductive material is added as well as the cooling fluid to improve cooling performance, thereby preventing damage to inner components due to heat, safety accidents such as fire are prevented, and a diameter of the cable is minimized.

Abstract: The present disclosure relates to an optical unit including a tubular member, which accommodates a plurality of optical fibers and whose shape is variable to achieve an optimal space factor, to minimizes optical loss or the deterioration of optical properties when the optical cable is bent or compressed or external impact is applied, secure waterproof performance, and minimize an outer diameter, and an optical cable including the same.

Abstract: An Power over Ethernet (POE) which satisfies a Power-over-Ethernet plus (PoE+) power transmission characteristics and a data transmission rate of 1 Gigabits per second (Gbps) without an amplification device, such as an additional hub, at a distance of up to 200 meters, and to which an existing commercial connector is applicable.

Abstract: An optical cable is provided in which an optical fiber bundle with clustered or bundled optical fibers is accommodated in a tubular member and the optical fibers are formed in an excess group length (EGL) by modeling considering bending properties of the optical cable or a lossless bending radius of the optical fibers of the optical fiber bundle, thereby minimizing stress, damage or optical loss of the optical fibers in the optical fiber bundle.

Abstract: The present disclosure relates to a power unit and a power cable for a mobile communication base station, which have sufficiently low inductance and thus minimize voltage oscillation regardless of a change of the amount of power transmitted when communication load of a mobile communication base station increases, thereby providing stable communication services, and which enhance workability of connection to a remote radio unit (RRU) at a base station.

Abstract: Disclosed are a joining structure of different kinds of conductors, a joining method of different kinds of conductors, and a joint of power cables capable of improving joining reliability of a junction of the different kinds of conductors.

Abstract: The present disclosure relates to a composite cable for a vehicle and a composite cable assembly, which are capable of simultaneously providing a communication function and power to an electronic parking brake (EPB) and an anti-lock brake system (ABS) for use in a vehicle, and maximizing electromagnetic compatibility (EMC) shielding performance between internal components or external cables.

Abstract: A connection structure for connecting a power cable and a conductor lead-out rod to minimize electrical resistance of a contact surface, and conductor connection device of a power cable may be provided with at least one conducting bolt configured to be fastened into a fastening hole to apply pressure to conductive particles injected into an accommodation space so as to electrically connect a conductor part and a conductor lead-out rod; and a fixing bolt configured to be fastened into the fastening hole to fix the conductor part inserted into an accommodation groove of the conductor lead-out rod.