Abstract: An assembly for electrical distribution includes not less than six conductors, the assembly defining a distribution portion and a source application portion, load connecting portions of the conductors being arranged in overlying layers in the distribution portion of the assembly. The load connecting portion of each conductor includes at least one load connection portion projecting beyond the overlying layers of the assembly whereby each load is connected between two conductors at the distribution portion of the assembly. The source connection portion of each conductor having at least one connection element, the source connection portion of each conductor being electrically isolated from the source connection portions of all other conductors.

Abstract: The invention relates to a power converter comprising several semiconductors (1) and direct voltage and alternating voltage buses (8/9, 4) for electric contact between the direct and alternating voltage connections (3, 2) of the power semiconductors (1). The buses are divided into two parts so that the alternating voltage bus (4) and the direct voltage bus (8/9) do not come into physical contact with each other. One advantage of the invention is that no creepage paths between the direct voltage and alternating voltage buses need to be taken into consideration.

Abstract: Support members for a busbar assembly are provided. The support members include a body formed of an electrically insulative material and at least one receiving formation in the body and configured to receive an electrical conductor. A strengthening insert is located substantially entirely within the body to electrically insulate the strengthening insert from the electrical conductor. The strengthening insert is a material different from the electrically insulative material of the body. Support structures and busbar assemblies and methods of making the support members are also provided.

Abstract: An insulator is specified for an electrical busbar system having at least one rail (5), which is in the form of an integral axially symmetrical body (1) and has a hole (3) along the axis of symmetry (2), with a mounting surface (4), which is vertically at a distance from the hole (3) and extends radially as far as the rim region of the body (1), being provided on each of the end faces of the body (1) with respect to the axis of symmetry (2), in order to make flat contact with a rail (5). Furthermore, an essentially ribbed first surface (6) extends in the radial direction between the hole (3) and the mounting surface (4). Furthermore, an insulator system having at least two insulators is disclosed.

Abstract: To enable vehicles such as truck tractors, motor homes and recreational vehicles to receive electrical power and communications when parked, a power and communications assembly is provided. A base is mountable in an exterior surface of the vehicle openings through the base are defined for mounting a respective connection moiety so each mounted moiety can be engaged with a complementary connection moiety when a main cover for the base and the mounted moieties is opened against a bias causing it to be normally closed. The connection moieties mountable in the base openings are selected from a group which includes electrical power connectors, telephone circuit connectors, and connectors for coaxial cables and fiber optic cables. Features of either a base opening or a mounted connection moiety can be engaged by its own secondary cover; the several secondary covers when engaged can be accommodated with a space protected by the main cover when it is closed.

Abstract: The junction box according to the invention includes a housing defined by a lower case and an upper case. A busbar substrate disposed within the housing includes a plurality of busbar substrates. The pier assembly is disposed on at least one of the lower case and one of the plurality of busbar substrates. The pier assembly either accommodates another of the plurality of busbar substrates or supports another of the plurality of busbar substrates. In one embodiment, the pier assembly is disposed on the lower case. In another embodiment, the pier assembly is disposed on one of the busbar substrates. In yet another embodiment, the pier assembly is disposed on the upper case. A method for assembling the junction box according to the invention includes providing a pier assembly for positioning a busbar substrate assembly and disposing a busbar substrate of the busbar substrate assembly in the lower case. The busbar substrate either receives the pier assembly therethrough or is supported on the pier assembly.

Abstract: A bus bar for electric power distribution, comprising a body made of conducting material, the body having, on at least one side, at least one slot which has a C-shaped cross-section, the back wall of said C-shaped slot comprising two substantially straight portions which form an angle of less than 180° between them.

Abstract: A universal electrical connector is incorporated into the electric power distribution network of a motor control center, switchboard, or switchgear between vertical bus conductors and the power line inlet. The connector in the form of substantially a single metal casting is configured to connect the power line with the control center internal electrical distribution conductors without requiring additional connectors.

Abstract: A circuit board assembly containing two pluralities of busbars or wires arranged in a lattice configuration, there being electrical continuity at each of the intersecting points. Slits are provided on each of the busbars which engage each other to complete the lattice. In the case of wires, they are bonded to each other. The conductive member thus formed may be sandwiched between two insulative films and is placed on an insulative plate which, in turn, is enclosed by an electrical connection box. The configuration provides substantial advantages in economy of production, simplified equipment required, and ease of altering the circuitry.

Abstract: A device for fastening a support rail on frame legs of a rack of a switchgear cabinet, wherein the frame legs have two fastening sides oriented perpendicularly with respect to each other and each has a row of square fastening perforations. Both ends of the support rail have fastening brackets which have at least one suspension hook and are matched to a cross section of the fastening perforations in the first fastening side of the frame legs spaced apart between the fastening brackets and to the spacing of the fastening perforations of the frame legs. A clamping plate is assigned to each fastening bracket of the support rail and has retaining claws and extends with the retaining claws behind the fastening perforations in the second fastening sides of the frame legs. The clamping plates have a threaded receiver for a clamping screw for maintaining them on the support rail in an elongated hole extending in the linear direction of the support rail and can be clamped together with them.

Abstract: An electrical busway housing system mechanically connected at the joints of adjoining housing sections by utilization of a coupling system having a top plate and a bottom plate, at least one of which has a roughened surface that provides superior gripping strength when the adjoining sections of busbar housing are clamped between them. Frictional clamping force is provided by a means of drawing the top plate and the bottom plate together and securing between them flanges or similar structural features of the busbar housing.

Abstract: A circuit board assembly containing two pluralities of busbars or wires arranged in a lattice configuration, there being electrical continuity at each of the intersecting points. Slits are provided on each of the busbars which engage each other to complete the lattice. In the case of wires, they are bonded to each other. The conductive member thus formed may be sandwiched between two insulative films and is placed on an insulative plate which, in turn, is enclosed by an electrical connection box. The configuration provides substantial advantages in economy of production, simplified equipment required, and ease of altering the circuitry.

Abstract: The invention relates to a contact disc (1) for a conducting plate (2) of busbars, comprising a contact surface (3) projecting upwards with respect to the surface of the conducting plate where the contact surface (3) is integral with the conducting plate (2) and where the segment-shaped slots (4a, 4b 14) are arranged all around, to make possible a deformation of the plate without a significant reduction of the surface of the contact disc provided for receiving an electronic component.

Abstract: A modular support and casing is provided with a selected circuit breadboard and circuit testing module for circuit construction and testing. Electrical and electronic components may be removably and interchangeably mounted on the circuit breadboard for constructing an electrical or electronic circuit in circuit development. A plurality of selective side plates are slidably and securely mounted on the longitudinal side edge portions of the support base. Auxiliary components such as switches and connectors may be conveniently provided in pre-formed openings on these side plates for ease in the circuit construction. A top cover is provided to maintain the side plates securely in place. The side plates form the side panels of the cover to provide a complete enclosure for protecting the electrical or electronic circuit thus constructed.

Abstract: A combination DC/data bus assembly for power converter equipment racks includes a pair of side-by-side vertical DC bus bars forming a slot between them. Extruded insulating strips carrying data bus bars are mounted in the DC bus bars so that the data bus bars face each other across the slot. Channels are formed in the front faces of the DC bus bars. A connector mounted on the power converter chassis has male DC contacts that engage the channels, and a male data contact assembly that slides into the slot to make contact with the data bus bars.

Abstract: A busway and a door assembly for use with the busway are described. The door assembly provides access to the conductive busbars through openings in the busway housing. The door assembly includes an insulator plate having openings therethrough for access to the busbars. The insulator plate includes two hinge grooves disposed on opposite edges of the insulator plate. Additionally, the door assembly includes a dual-hinged door which includes a pair of hinge rods adapted for engagement with the hinge grooves. By pivotally rotating on the first hinge rod within the first hinge groove, the door may be opened to a first position. Conversely, by pivotally rotating on the second hinge rod within the second hinge groove, the door may be opened in a second direction. Once in either open position, the door cannot be removed from the insulator plate. Additionally, insulator stabs extend from the insulator plate and are disposed between the busbars to prevent arcing between the exposed areas of the busbars.

Abstract: A circuit board assembly containing two pluralities of busbars or wires arranged in a lattice configuration, there being electrical continuity at each of the intersecting points. Slits are provided on each of the busbars which engage each other to complete the lattice. In the case of wires, they are bonded to each other. The conductive member thus formed may be sandwiched between two insulative films and is placed on an insulative plate which, in turn, is enclosed by an electrical connection box. The configuration provides substantial advantages in economy of production, simplified equipment required, and ease of altering the circuitry.

Abstract: A water-resistant busway with a water drainage duct of the present invention (10) comprises a joint assembly (12) arranged between the ends of first and second busway housings (14, 16). Joint assembly (12) includes a water-resistant cover (30) releasably attached to first and second housings (14, 16) by cover fastening devices (32, 34). Water-resistant cover (30) includes an access hole (36) disposed therein, with access hole (36) receiving a complementary access hole plug (38). Housing spacers (22, 24, 26, 28) each include a water drainage duct (118) disposed therein to drain water from above the water barrier (104) and web (46) of upper piece (42) of housing (14) to below the water barrier and web (46) of the lower piece (44) of housing (14).

Abstract: A circuit body consisting of two circuit members 11, 12 is provided. In each circuit member, a plurality of bus bars 13 are juxtaposed at regular intervals and carried by resinous holders 14, 15. In producing, the circuit members 11, 12 are mutually overlapped by slide movement of the circuit member 11 on one hand along the circuit member 12 on the other hand. Then, the so-laminated circuit members 11, 12 are fixed to each other by means of resinous molding. The circuit member 11 is provided with an adjusting part 21. When sliding the circuit member 11, the adjusting part 21 comes into prior contact with the circuit member 12, so that respective connecting parts 20 of the bus bars 13 of the circuit member 11 are raised from the circuit member 12.

Abstract: A compact electrical bus for transmission of three-phase electrical power through longitudinally elongated insulatively sandwiched lamina carrying respective power phases. A plurality of electrically conductive longitudinally elongated lamina have transversely off set parts respecting one another and a plurality of electrically conductive longitudinally elongated lamina devoid of offsets. The pluralities of lamina are sandwiched together between layers of insulation. When assembled, offsets of one lamina transversely align in a nested relationship with an off set of a second lamina. The lamina devoid of offsets further nests within the offset of the second lamina.

Abstract: An insulative plate is fixed to a bus bar stacked substrate by inserting projection formed on the bus bar into projection entry section, shaped like a covered box, on the insulative plate. By pressing the insulative plate onto the bus bar stacked substrate the projection is pushed into the projection entry section and the insulative plate is securely fixed to the bus bar.

Abstract: The present invention relates to a curved or bent multilayer arrangement for conductor rails comprising several electrically conductive strips (1, 2) separated by layers of insulating material. In this arrangement, the conductive strips (1, 2) possess, along the line of the fold in the rail, a number of windows (5) arranged such that the windows of one strip are staggered with respect to those of another, and in which those same windows are sized in such a manner that the conductive strips (1, 2) are not overlaid along the line of the fold.

Abstract: A circuit breaker lighting panelboard is adapted for both top and bottom feed connections with no field modification requirements. The panelboard interior accepts a variety of branch circuit breaker mounting arrangements and the mounting rails are interconnected by steel straps to reduce shipment damage.

Abstract: An electrical bus connector including a series of pins which are extended or retracted through a series of receptacles. Each receptacle is generally a bulbous-shaped longitudinally elongated shell having an opening at a base end and at a top end, the base end having a larger interior area than the top end. The bulbous base end includes a sleeve to guide the pin. The receptacle shell wraps around the sleeve and tapers inward toward the top end to retain the sleeve within the receptacle. The receptacle shell includes a series of longitudinally elongated leaves circularly arranged about the longitudinal axis. The leaves of the receptacle flare out at the top end, providing a lip to accept the pin. The receptacle shell has at least one and preferably two annular recesses, each recess receiving a coiled spring. The coiled spring(s) bias the leaves of the receptacle shell inwardly, but allow the leaves to expand upon pin insertion to ensure contact between the pin and the receptacle.

Abstract: A chassis assembly for receiving power supply modules therein. The chassis assembly includes: (1) a cabinet, (2) an elongated bus bar assembly configured to be supported within the cabinet from a mount coupled to the cabinet, the bus bar assembly having a pair of conductors capable of receiving a terminal connector of a power supply module received into the cabinet and (3) a shelf, oriented laterally with respect to the bus bar assembly, that supports at least one power supply module received into the cabinet, the bus bar assembly being substantially free of terminal connectors and adapted to eliminate a need for support of a portion of a weight of the bus bar assembly apart from the mount.

Abstract: A device, used in particular in telecommunications technology to supply power to parallel-connected, electrical loads has side-by-side arranged potential lines. These are secured inside a connecting housing, with connections for supplying the operating potential. The connections supply plug-in modules for connecting individual loads, which modules are fitted against the connecting housing in longitudinal direction of the potential lines. The potential lines are configured as rigid, parallel bus bars that project on a side from the connecting housing. With the aid of passages that make contact with the bus bars, the plug-in modules are fitted side-by-side onto the bus bars, such that they fit against the connecting housing or against each other, and are frictionally secured.

Abstract: A method for sealing joints, gaps, and surfaces in an electrical busway distribution system comprises selecting a self-leveling sealant, applying the self-leveling sealant directly to joints, gaps, or surfaces of the busway system, and allowing the sealant to cure to form continuous seal between the joints, gaps, and surfaces. After applying the sealant, it subsequently flows into the joints, gaps, and across the surfaces solely under gravitational influence so that the joints, gaps and other surfaces are sufficiently filled by the sealant.