Abstract: A modular electrical conduit split assembly for efficient installation of electrical wiring. The modular electrical conduit split assembly includes an elongated, tubular conduit having at least one dividing wall running through the interior channel therein, defining separate chambers wherein each chamber includes an indicium disposed along an external surface of the conduit. A connection mechanism such as a coupling sleeve is disposed on an end of the conduit and configured to receive the end of a separate piece of conduit therein. Each chamber within the conduit is configured to receive electrical wiring therethrough which can be coordinated using color coded indicia appearing along the external surface.

Abstract: A cable duct assembly configured to retain an elongated cable is presented herein. The cable duct assembly includes a cover plate connected to a first sidewall and a second sidewall and a base plate pivotally connected to the first sidewall and the second sidewall. The first sidewall includes first arms that include lobe mechanisms and second arms that include rotation limiting portions.

Abstract: The present disclosure relates to a measuring tube for conveying a liquid, comprising a tubular section and at least one tubular branch for accommodating at least one component of a measuring device. A first end region of the tubular branch is arranged at or in an opening in a wall along a longitudinal axis of the tubular section. According to the disclosure all points of at least a first portion of the wall, such as an inner surface of the wall, of the tubular section, which first portion defines the opening, are located in a plane. Furthermore, the present disclosure relates to an arrangement for determining or monitoring at least one process variable of a liquid in a pipeline, comprising a measuring device and a measuring tube of the disclosure.

Abstract: A wire exterior body and an exterior-covered wire harness, capable of preventing damage to thereby suppress deterioration in the protective function for electric wires, are provided. A wire exterior body (3) formed of a resin sheet, to be mounted on the outer periphery of the wire harness (2), includes bending portions (20a) to (20d) at which the resin sheet is bent, and a plurality of wall parts (4) formed of the resin sheet bent at the bending portions (20a) to (20d). The wall parts (4) extend along the extending direction of the electric wires and form an accommodating part (5) that accommodates the electric wires. Grooves (21a) to (21d) are formed in the bending portions (20a) to (20d) at positions separated by predetermined spaces (S1) and (S2) from end portions (4a) and (4b), in the extending direction of the electric wires, of the wall parts (4).

Abstract: An assembly, configured to be mounted on a structure, includes a duct in the form of a hollow tubular body of which an inner space defines a zone for receiving a wiring harness. The duct is flexible and includes a longitudinal slot. The assembly includes attachment lugs rigidly connected to the duct and configured to be assembled to the structure. The assembly includes, at longitudinal edges of the duct, on either side of the slot, a pair of recesses with one recess per longitudinal edge. The receiving zone is compartmentalized into two longitudinal channels by a longitudinal separator extending from a longitudinal base of the duct to the slot. The separator has a recess in the same cross-section as the pair of recesses of the duct. The assembly includes a clamping member configured to be inserted into the pair of recesses of the duct and the recess of the separator.

Abstract: Provided is a wiring harness fixing structure that prevents a wiring harness from projecting outward from an opening of a trough-shaped holding member attached and fixed to an attachment object. A wiring harness fixing structure includes a holding member that is formed into a trough shape with an opening provided on one face and is configured to hold a part or all of a wiring harness, and an attachment fitting configured to attach and fix the holding member to a housing. The holding member is attached and fixed to the housing by using the attachment fitting so that the opening is oriented to the outer face of the housing.

Abstract: A conduit housing includes a top face, a pair of side faces disposed opposite each other and adjacent to the top face, a front side, and a rear side. The top face includes a plurality of vertical conduit ports arranged in a plurality of rows. The front side is positioned between the pair of side faces and defines a plurality of stepped faces. The rear side is disposed opposite the front side and adjacent the top face. The stepped faces include a plurality of downward faces and each of the plurality of downward faces defines a downward face plane. The stepped faces also include a plurality of upward faces, where each of the plurality of upward faces defines an upward face plane. Each upward face includes a plurality of pitched conduit ports.

Abstract: A cable manager includes one or more cable manager units. Each cable manager unit includes a pair of side cable guides, each comprised of a plurality of finger-like projections extending forwardly from a support column. At least one of the pair of support columns has a socket arranged at a side thereof. Each cable manager unit further includes a separate midsection member capable of insertion into the socket for interconnecting the pair of side cable guides.

Abstract: A workstation services support structure including a beam supported at or near desk height on one or more legs is described. The beam includes one or more elongate mounting means extending substantially along its length. Each elongate mounting means corresponds to a zone (Zones 1 to 4) in which one or more accessories to support a workstation service can be movably mounted with respect of the beam to enable service delivery at a user selectable position within the zone. The support structure includes a plurality of zones (Zones 1 to 4) that can be defined to be non-overlapping such that an accessory mounted within one zone does not interfere with an accessory mounted within another zone. Legs, accessories and couplings and systems incorporating such elements are also described.

Abstract: A method and system for forming ground electrodes are provided, the method includes: metal conductors are laid in grooves that are dug out on a ground surface; conductive solution is prepared, with the conductive solution consisting of 0.1%-0.5% of amylocellulose, 15%-24.9% of high conductivity carbon powders, 15%-24.9% of gel material, and 60%-70% of water, by weight percentage; and the conductive solution is poured into the grooves, wherein the conductive solution forms conductive gel after solidifying, which wraps up a part of the metal conductor contained in the groove. The system for forming grounding electrodes includes: an excavating equipment, a setup equipment, a solution preparation equipment and a pouring and molding equipment. The method and system for forming ground electrodes can make the discharging effect of lightning currents better.

Abstract: One embodiment provides a method and apparatus for suspending air conditioning duct works from a support structure comprising unistrut type support beams which apparatus includes a plurality of support brackets arranged and configured for being slidably interlockable with the interior of the unistrut beam members. The support brackets can be slid inside the interior of the support beam until adjacent a support beam which support beam can be connected to the support bracket. In like manner additional support brackets can be inserted into the interior of the support beam members to be adjustably located next to their respective support rod. In such manner multiple support rods can be used to support a frame member even where the support rods are not symmetrically located along the length of the support beam as the support bracket can be slid/moved inside the support beam until lining up with its respective support rod.

Abstract: A cable routing system is described. More specifically, described is a cable routing system that includes a main fiber channel configured to receive a drop fiber to allow it to fit within the main fiber channel, where the channel is surrounded by a discontinuous segmented duct, and the duct comprises a continuous flange structure to provide support for the system as it is installed on or fastened to a wall or other generally flat surface.

Abstract: A thin-film multi-layer micro-wire structure includes a substrate and a layer located on the substrate or forming a part of the substrate. One or more micro-channels are located in the layer. Each micro-channel has a width less than or equal to 20 microns. A cured electrically conductive micro-wire is located only within each micro-channel. The micro-wire has a thickness less than or equal to 20 microns, including silver nano-particles, and having a percent ratio of silver that is greater than or equal to 40% by weight. An electrolessly plated layer is located at least partially within each micro-channel between the micro-wire and the layer surface and in electrical contact with the micro-wire. The plated layer has a thickness less than a thickness of the micro-wire so that the micro-wire and plated layer form the thin-film multi-layer micro-wire.

Abstract: A motor vehicle lock containing mechanical locking elements and/or latching elements as well as electrical, electromotive, and/or electronic components that interact with the mechanical locking elements and/or latching elements, wherein the electrical, electromotive, and/or electronic components are attached to a part of a housing (10), wherein an electric line attached to the part of the housing (10) is connected to at least one of the electrical, electromotive, and/or electronic components, wherein the electric line comprises a single-strand or multi-strand, flexible cable, wherein a cable path (19a, 19b) of the cable (8) passes through a cable conduit (15) disposed in the part of the housing (10), wherein the cable conduit (15) comprises a permanently, plastically-deformed material, at least at one side of the cable path (19a, 19b), whereby a deformation (V) in the material immobilizes the cable (8) in the cable conduit (15).

Abstract: A toneable conduit including an elongate polymeric tube having a sidewall with an interior surface and an exterior surface. The interior surface defines a main channel. A sub-channel, smaller in cross sectional area than the main channel, extends longitudinally between the exterior and interior surfaces of the tube. A continuous toning signal wire is located within the sub-channel. The sub-channel has a larger cross sectional area than a cross sectional area of the toning signal wire and the toning signal wire follows a zigzagging or undulating path within the sub-channel. Alternatively, the sub-channel and toning signal wire have a substantially common cross sectional area and both follow a zigzagging or undulating path from one end of the toneable conduit to the other end. In both embodiments, a given length of toneable conduit will include a length of toning signal wire exceeding that given length.

Abstract: A structural body is provided in fluid, perpendicular to a typical flow direction of the fluid. The structural body includes a cylindrical insulating body having at least one hollow portion and at least one conducting body positioned in the hollow portion of the insulating body. In a cross section of the insulating body having a normal line in an axial direction of the insulating body, the following relationship is satisfied: 1.5×Diy?Dix?15×Diy where Dix is a length of the insulating body in the typical flow direction (direction x) and Diy is a maximum value of a length of the insulating body in a direction (direction y) perpendicular to the typical flow direction.

Abstract: Configured is a wiring support structure provided with a column portion fixed to or provided integrally with an installation object in which wiring is installed, and provided so as to project from the installation object, a wiring support portion having a wiring arrangement portion that is arrangeable so as to extend along the installation object and in which the wiring is arranged in an extending direction of the wiring arrangement portion, the wiring support portion being supported by the column portion in a state where the wiring support portion is separate from the installation object, and an attachment portion for attaching the wiring to the wiring arrangement portion.

Abstract: A divided conduit containing a thermoplastic conduit and at least one strip-shaped textile. The strip-shaped substrate may be a strip-shaped textile or a strip-shaped film and has a first longitudinal edge and a second longitudinal edge which are adhered to or embedded into the inner surface of the conduit forming at least two flexible, longitudinal channels for enveloping cables or other elongated structures.

Abstract: A busway is described herein that is configured for receipt of plural power sources. The busway device comprises a first plurality of busbars in a spaced apart relationship, with the width, thickness, and spacing of the busbars configured for receipt of a first power source. The first plurality of busbars is contained in a first housing. The device further includes a second plurality of busbars in a spaced apart relationship, with the width, thickness, and spacing of the busbars configured for receipt of a second power source. The second plurality of busbars is contained in a second housing and electrically isolated from the first plurality. The first housing is configured for adjacent placement and connection to the second housing.

Abstract: An inconspicuous power conduit that is substantially transparent or translucent may be used to provide power to an electronic device mounted on a transparent or translucent wall, such as a glass wall of a conference room. The longitudinal power conduit may be inconspicuous when mounted on a glass wall in comparison to traditional power cords or conduits because light passes through both the conduit and the glass wall causing the conduit to visually blend in with the wall. The conduit includes a first electrical conductor and a second electrical conductor which are connector to electrical connectors at the ends of the conduit. One connector may connect the conduit to a power source and the other connector may connect the conduit to an electronic device so that the power from the power source is connected to the electronic device.

Abstract: A split LB 10 conduit that includes a base LB 10 conduit that includes a top half, a bottom half, a horizontal orifice and a vertical orifice, the base LB 10 conduit is split open into the top half and the bottom half and a plurality of electrical wires that are placed within the top half and the bottom half of the base LB 10 conduit, the electrical wires are sealed between the top half and the bottom half of the base LB 10 conduit, the electrical wires are sealed with a plurality of removable threaded screws that are extended through a plurality of threaded apertures. The split LB 10 conduit also includes a method for installing a plurality of electrical wires with a split LB 10 conduit.

Abstract: A toneable conduit including an elongate polymeric tube having a sidewall with an interior surface and an exterior surface. The interior surface defines a main channel. A sub-channel, smaller in cross sectional area than the main channel, extends longitudinally between the exterior and interior surfaces of the tube. A continuous toning signal wire is located within the sub-channel. The sub-channel has a larger cross sectional area than a cross sectional area of the toning signal wire and the toning signal wire follows a zigzagging or undulating path within the sub-channel. Alternatively, the sub-channel and toning signal wire have a substantially common cross sectional area and both follow a zigzagging or undulating path from one end of the toneable conduit to the other end. In both embodiments, a given length of toneable conduit will include a length of toning signal wire exceeding that given length.

Abstract: A system and method for providing redundant wired pipe-in-pipe telemetry is described. The redundant wired pip-in-pipe telemetry system includes an outer pipe and an inner pipe disposed within the outer pipe. Within the outer pipe, two or more conductive elements may be provided as well as a wired path controller that may selectably switch between available conductive paths. The wired path controller may identify conductive paths with good electrical characteristics and select those paths for transmission. If a conductive path develops a fault, the wired path controller may select one of the alternative redundant conductive paths for transmission to avoid the fault. The wireless controller may further transmit information about the location of faults to a drill operator at the surface.

Abstract: An adhesive-backed hybrid cabling duct comprises a main body having at least one conduit portion with a bore formed throughout that is sized to accommodate one or more communication lines disposed therein. The duct also includes a flange to provide support for the duct as it is mounted to a mounting surface, wherein the flange includes a channel formed therein configured to receive a substantially rectangular-shaped cable. The duct also includes an adhesive layer to mount the duct to the mounting surface. The adhesive-backed hybrid cabling duct provides for multiple channels of RF/cellular traffic to be distributed to different locations within a building.

Abstract: An adhesive-backed duct has a main body having a conduit portion with a cavity formed longitudinally therethrough and a flange portion having an adhesive backing layer to mount the duct to a mounting surface. A septum is disposed within the cavity portion and defines at least two bore potions.

Abstract: A cable raceway assembly is provided having channel sections with protrusions and clamp insertable with recesses engageable with the protrusions provide a snap-fit ratchet-type engagement.

Abstract: A first trunk line of a wire harness is inserted into a wire harness insertion space of a protector main body, and branch lines pulled out and branching to the left and right from the outlet are respectively bound to a second trunk line routed in left and right directions to form a triangular space enclosed by the left and right branch lines and the second trunk line. An elongated portion projecting to a position covering the triangular space is provided to the lid which makes a lock connection to close an opening of the protector main body, and while a male engagement portion protrudes on the elongated portion, a female engagement portion to which the male engagement portion engages and latches is provided from the bottom wall of the protector main body, and the lid connects to the protector main body in the triangular space.

Abstract: In a thermally insulated double pipe, a structure is provided in which an inner pipe may be prevented from being appreciably offset relative to an outer pipe due to thermal contraction. The structure includes an inner pipe 101, within which a superconducting cable is mounted, an outer pipe 103 within which the inner pipe is housed, with the inner and outer pipes constituting a thermally insulated double pipe, and an inner pipe support member 104 supporting the inner pipe. The inner pipe support member 104 is secured to the inner and outer pipes.

Abstract: A DIN rail wiring duct has a top, a bottom, and a side. The DIN rail wiring duct includes a base. The base has a top wall, a bottom wall, a sidewall, and a divider wall, which define a channel and a channel opening for accessing the channel. The DIN rail wiring duct also includes a cover for the channel opening. The cover has a top wall and a sidewall substantially perpendicular to the top wall. The top wall of the cover is removably connected to the top wall of the base and the sidewall of the cover is rotatably connected to the sidewall of the base such that the channels are accessible through the channel openings from the top and the side of the DIN rail wiring duct when the cover is rotated from a closed position to an open position.

Abstract: A device for cable management having a first component and a second component. Each of the first and second components have a generally flat elongate sheet having longitudinal parallel edges which provide complementary inter-engaging of the first and second components. The width of the second component is greater than that of the first component such that when the edges of the second component are engaged with those of the first component, the second component adopts a curved profile.

Abstract: In order to enable a connection between measuring points of an electro-chemical device and a monitoring unit of the electro-chemical device to be easily and rapidly established, there is proposed a conduit system for connecting a plurality of voltage tapping points and/or temperature measuring points of an electro-chemical device to a monitoring unit of the electro-chemical device which comprises a plurality of voltage tapping lines and/or temperature measuring lines and a stiffening structure in which and/or on which the plurality of voltage tapping lines and/or temperature measuring lines are arranged at least in sections thereof.

Abstract: A flexible cable guide is provided that includes, but is not limited to a first chain link with a first longitudinal axis, a front region and a tubular first inner surface that extends in longitudinal direction, and a second chain link with a second longitudinal axis, a rear region and a tubular second inner surface that extends in longitudinal direction. The front region of the first chain link is connected to the rear region of the second chain link pivotably about a pivoting axis that extends perpendicular to the longitudinal axes of the chain links, such that it can be pivoted leftward and rightward referred to the first longitudinal axis up to a maximum pivoting angle.

Abstract: A line-management assembly has a base, a collating device and a connecting device. The base has a bottom board, a linking panel and a linking frame. The linking frame is rotatably connected to the linking panel and has a mounting tube, an outer casing, multiple storing spaces and two linking arms. The collating device is pivotally connected to the base and has multiple extending frames. The extending frames are detachably connected each other, the lowest one of the extending frames is detachably attached to the linking frame of the base and each extending frame has a central tube, an outer cover, multiple collating spaces and two extending arms. The connecting device is detachably connected to the collating device and has a connecting frame. The connecting frame is detachably connected to the uppermost extending frame of the collating device.

Abstract: A divided conduit containing a thermoplastic conduit and at least one strip-shaped textile. The strip-shaped substrate may be a strip-shaped textile or a strip-shaped film and has a first longitudinal edge and a second longitudinal edge which are adhered to or embedded into the inner surface of the conduit forming at least two flexible, longitudinal channels for enveloping cables or other elongated structures.

Abstract: A suspension tray is provided that is adapted to hold a plurality of cables and/or wires that includes a device for electrically bonding and grounding the tray. The tray includes a series of spokes forming a wire mesh support on which the cables and/or wires are placed. The device (which serves to electrically bond and ground the tray) includes a plurality of conductive elements affixed to the wire mesh support. Each conductive element may include two side portions and a middle portion. The two side portions are preferably sealed with a paint composition and the middle portion includes a conductive surface that is capable of electrically bonding and grounding the tray.

Abstract: Certain embodiments of the present invention provide a DIN rail wiring duct. The DIN rail wiring duct has a top, a bottom, and a side. The DIN rail wiring duct includes a base. The base has a top wall, a bottom wall, a sidewall, and a divider wall, which define a channel and a channel opening for accessing the channel. The DIN rail wiring duct also includes a cover for the channel opening. The cover has a top wall and a sidewall substantially perpendicular to the top wall. The top wall of the cover is removably connected to the top wall of the base and the sidewall of the cover is rotatably connected to the sidewall of the base such that the channels are accessible through the channel openings from the top and the side of the DIN rail wiring duct when the cover is rotated from a closed position to an open position.

Abstract: The disclosed subject matter comprises a wire bridge that can dissipate heat from power wires of an electrically powered system to facilitate improving the lifetime of wires, reducing interference between wires, and reduce negative impaction of the electrically powered system. The wire bridge can be formed of a thermally conductive material to facilitate dissipating heat from associated wires, and can include a base component and a bridge component that is raised up from the base component wherein a subset of wires can be placed across and in contact with the bridge component. Optionally another subset of wires can be placed in an open gap created between the base component and bridge component; channels can be formed in the wire bridge wherein wires can be inserted; multiple bridge levels can be formed; or fasteners can be employed to fasten wires to the wire bridge.

Abstract: A raceway bridge assembly is provided for carrying wires or cables over an intersecting raceway or other object without interfering with the intersecting raceway. The raceway bridge assembly includes a pair of opposing bridge fittings and a connecting raceway section extending between the raceway fittings. The bridge fittings have a first open end lying in a first plane and a second open end lying in a second plane spaced above said first open end. The bridge fittings have side walls that are coupled to a cover of a raceway section. A top wall is removably coupled to an upper edge of the sidewalls of the bridge fitting and is coupled to the connecting raceway section.

Abstract: An enclosure apparatus for protecting cable trays, electrical cables, pipes and/or includes other control equipment. The enclosure apparatus includes one or more linear sections and/or elbow or corner sections. The sections are configured to be joined together to form longer sections or transition sections. Each of the sections includes a protective outer layer that is fire resistant and/or blast resistant. According to an embodiment, one or more the sections includes a panel or re-enterable section that can be removed for accessing the interior of the enclosure, for example, the cables, pipes or control equipment, or for assembling the sections around an existing cable installation.

Abstract: A device for a wire cable duct (18) has a profiled part having a first wing (2), termed horizontal wing, and at least one second wing (4), termed vertical wing, extending substantially perpendicularly to the first wing on one side thereof. The device includes: at least one longitudinal housing (6) intended to receive a warp wire (20) formed on the lower face (10) of the horizontal wing, that is to say the face opposed to the second wing; transverse cutouts (8), formed with a predetermined pitch corresponding to the pitch of the transverse weft wires (22), all along the horizontal wing (2), the transverse cutouts (8) extending over the whole width of the horizontal wing and continuing into the region of the vertical wings (4); and at least one tongue (12) extending longitudinally from a transverse edge (14) of each cutout (8) over part of the width of the cutout.

Abstract: Disclosed is an article comprising a layer of nonconductive polymeric material comprising a plurality of integral polymer conduit channels containing a substantially transparent conductive material.

Abstract: A divider for keeping current-carrying conductors separated transversely in raceways, such as walker ducts and cable trays, in which multiple conductors extend, in order that air can flow around the conductors and cool the conductors. The divider is mounted in the raceway to form passages through which some of the conductors can extend spaced from other conductors. Two separators are mounted together and preferably mounted to the raceway sidewall, forming at least a base passage between the separator and the sidewall of the raceway, and an elevated passage between the walls of the separators.

Abstract: For connecting a flat cable having a wire interval and a plurality of contact blades having a terminal interval different from the wire interval, a wiring harness includes a flat cable having a plurality of electric wires and joints joining the adjacent electric wires to each other, and a plurality of contact blades arranged along a widthwise direction of the flat cable and connected to a core wire of the electric wire by penetrating an interim portion in a lengthwise direction of the flat cable. A slit is provided at the interim portion at the joint. The plurality of electric wires at the interim portion is positioned corresponding to the contact blade to be electrically connected thereto by being neared to each other by narrowing a width of the slit.

Abstract: The present invention is directed toward a divider clip that holds a divider wall in a multi-channel raceway. The divider clip includes a base and sidewalls extending from ends of the base. The divider clip also includes removable clip fingers that extend from the base. One of the removable clip fingers is located at the center of the base while a second removable clip finger is located closer to one of the sidewalls. One of the clip fingers is removed from the divider clip to enable the remaining clip finger to hold to divider wall to separate the raceway into either a 50/50 channel split, a 60/40 channel split or a 40/60 channel split.

Abstract: A device for managing a plurality of cables in a multi-cable environment includes a stationary member having a plurality of stationary channel portions. At least one movable member is movably secured to the stationary member. The at least one movable member has a plurality of movable channel portions corresponding in number and general configuration to the plurality of stationary channel portions. A plurality of indicia-bearing areas are provided, corresponding in number, and adjacent, to the plurality of stationary channel portions. The at least one moveable member is moveable between a cable placement position in which cables can be placed in the respective stationary channel portions, and a cable retaining position in which the cables are secured in channels formed by the cooperation of the stationary channel portions and the movable channel portions.

Abstract: Method for manufacturing an assembly of two ringed sheaths (1,2) ready to be used to make a single ringed sheath around for example a bundle of electric cables (13), wherein two smooth-walled tubes are simultaneously extruded using a single extruder fitted with two extrusion nozzles, the two smooth-walled tubes are simultaneously molded into two ringed wall tubes using a molder equipped with molds each fitted with two ringed profiles extending in parallel in a longitudinal direction and being paired along one and the same parting line.

Abstract: This invention is a novel saddle that comes in two embodiments, a vertical saddle and a horizontal saddle. Each saddle is configured to hold a power harness (or assembly of wires) and a signal harness, also an assembly of clustered wires. The saddle eliminates or greatly reduces the occurrence of electrical cross talk between these two harnesses by electrically insulating them from each other while securing each in place by a spring holder. These saddles greatly reduce electrical interference while significantly reducing installation time of the assembly. While this invention is described as used in a xerographic system, the saddle can be used in any system containing large bundles of electrical wires or cables.

Abstract: The present invention relates to a finishing tool for a cable mold connection. The finishing tool includes a connection base, a connection cover, and a plurality of couplers. The connection base has a thickness corresponding to the base and has at least two acceptance openings. The connection cover is coupled to an upper side of the connection base and finishes a connection with a corresponding end of at least two cable molds. The couplers are each provided at an upper side of the connection base and a lower side of the connection cover. A base of a cable mold is mounted in the acceptance opening.

Abstract: Apparatus for providing cable-management comprising at least one bracket having a support member and a plurality of extensions protruding from the support member, where at least one pair of adjacent extensions define at least one receptacle. At least one cable holder is removably inserted into the at least one receptacle.

Abstract: In communication cable of high capacity according to present invention, conductor of diameter d is coated by insulation material to form wire of diameter D, plural number of said wire are twisted by pitch p to form pairs, plural number of said pairs are twisted by collective pitch P, and said communication cable of high capacity comprise sheath wrapping said pairs, and the diameter d of said conductor and diameter D of said wire and pitch p and collective pitch P and impedance of said wires are defined by function of compensation coefficient A(81<A<83) by dielectric constant of insulation member and magnetic permeability of conductor, compensation coefficient B(0.005<B<0.007) by pitch (p) and collective pitch (P). And, by impedance matching between impedance of wire and impedance of equipment for data transmission, return loss of cable can be minimized, so high speed data transmission can be made.