Abstract: An apparatus is configured to be installed on a terminal block to make an electrical connection to at least one I/O loop. The apparatus includes a terminal section having at least one pair of electrical terminals. The electrical terminals are arranged to be connected to the terminal block and to the I/O loop. The apparatus further includes an electronic section electrically connected to the terminal section adapted to communicate with the I/O loop through the terminal section.

Abstract: An appliance power connector includes a terminal block having a base. The base includes an upper surface and a lower surface. The base includes a pocket. The terminal block includes an upper shroud and a lower shroud. The upper shroud has upper shroud walls extending from the base forming an upper chamber above the upper surface. The lower shroud has lower shroud walls extending from the base forming a lower chamber below the lower surface. The appliance power connector includes a power terminal coupled to the terminal block. The power terminal includes a main body, an upper stud extending from a top of the main body and a lower stud extending from a bottom of the main body. The main body is received in the pocket. The upper stud is located in the upper chamber above the base for connection to an upper power cable terminal. The lower threaded stud is located in the lower chamber below the base for connection to a lower power cable terminal.

Abstract: One or more marking elements that can be provided with an inscription are formed on a terminal block which can be mounted on a mounting base or support rail has a housing made of plastic and at least one conductor connections formed in the housing, One or more marking recesses are formed in the housing with each marking recess being designed for the application of a corresponding marking element. The terminal block with the housing is formed by an injection molding toot One or more free spaces are formed in the region of the one or more marking recesses. One or more free spaces are sprayed with a plastic in the region of the marking recesses, whereby one or more inscribable marking elements are formed on the housing.

Abstract: A switch box assembly is configured to house a switch box having a bus bar. The switch box assembly includes a holder, a nut housing and a guide. The holder includes a back wall. The back wall includes a slot for receiving the bus bar. The nut housing is configured to house a nut. The guide is disposed on the nut housing and adjacent the back wall, the guide dimensioned to guide the bus bar over a top surface of the nut. Accordingly, the guide prevents the bus bar from hitting the nut during installation.

Abstract: A modular power distribution terminal includes an outer housing containing a chamber and a bottom opening. The outer housing includes a top wall, a pair of spaced end walls and a pair of spaced parallel side walls having first fasteners. At least one module slice is arranged in the outer housing chamber and includes a slice housing including a pair of spaced parallel side walls having first fasteners configured for fastening with the first fasteners of one of the outer housing side walls and a current bar connected with and extending along a length of the slice housing. An input screw connection terminal and at least two output push-in connection terminals are connected with the current bar.

Abstract: In one embodiment, a configurable system may be capable of verification and include a modular control unit configured to control power. The modular control unit may include a first contact element configured to receive the power, a backplate, and at least one device control assembly. Other embodiments may include a system configured for dynamically assignable pairings. Further embodiments may include a backplate configured to control power to at least one load device, the backplate including one or more power control elements. Additional embodiments may include a system including a receptacle. The system with the receptacle may include a modular control unit, a backplate, a contact element, and at least one device control assembly configured to be removably coupled to the backplate.

Abstract: A power input terminal block includes terminals received in terminal channels of a housing each having a main body defining a wire pocket receiving a supply wire and a take-off tab electrically connected to the main body. The power input terminal block includes clamp contacts coupled to the take-off tabs each having a base, a spring beam extending from the base, and a cap extending from the spring beam having a poke-in window configured to receive a take-off wire. An edge defining the poke-in window engages the take-off wire and pulls the take-off wire against the wire side of the take-off tab. The power input terminal block includes release levers coupled to the housing to move the spring beam to an extended position to allow loading and removal of the take-off wire from the clamp contact and the take-off tab.

Abstract: An electrical connector assembly is provided and includes a carrier having an upper surface and a lower surface. The lower surface is configured to face a host circuit board. The upper surface is configured to face a component circuit board of an electrical component. The carrier includes a plurality of contact openings therethrough. The electrical connector assembly includes contacts coupled to the carrier and passing through the corresponding contact openings. Each contact has a conductive polymer column extending between an upper mating interface and a lower mating interface. The conductive polymer column is compressible between the upper mating interface and the lower mating interface. The conductive polymer column includes an inner core and an outer support body. The inner core is manufactured from a first material. The outer support body is manufactured from a second material. The second material has a lower compression set than the first material.

Abstract: An LED light strip includes a plurality of LEDs provided at regularly spaced intervals on a printed circuit board (PCB), and a screw-in terminal connector with at least two ports provided at opposite ends of the PCB and electrically connected to the plurality of LEDs for allowing the LED light strip to be connected to a power source, a data source, additional LED light strips, as well as other DC powered components via wire conductors.

Abstract: A terminal block assembly for wire connection of a motor, which includes: a terminal block body; one or more bus bar supports which are formed on the terminal block body; one or more bus bar bodies which have bent shapes corresponding to outer surfaces of the bus bar supports and are rested on the terminal block body or the bus bar supports; one or more terminal connectors which are formed at one ends of the bus bar bodies and are held in contact with one or more connector terminals; and one or more coil connectors which are formed at the other ends of the bus bar bodies and are connected to one or more coils of a motor.

Abstract: The present invention provides a transmission high-voltage connector for circuit connection of a transmission of a new-energy vehicle, the transmission comprising a box body and a high-voltage connector covering an opening of the box body, the high-voltage connector comprises a housing, at least one reinforcing sheet and a copper bar, and the copper bar is inserted into and connected to the housing; wherein, the housing is an N-sided polygon, and at most N-1 fixing holes are formed in the housing at positions where two side lines are connected; and at positions where two side lines are connected while no fixing hole is formed, the housing embraces and is connected to the reinforcing sheet. The transmission high-voltage connector provided by the present invention is simple in structure, and has enhanced strength and high-temperature deformation resistance.

Abstract: An electrical connector is used to mate with an electronic component having a conductor. The electrical connector includes an insulating body having an accommodating hole, and a terminal accommodated in the accommodating hole. A protruding portion protrudes from a first wall of the accommodating hole. An elastic arm of the terminal has a main body portion. A pre-pressurized portion and a contact portion of the elastic arm respectively have a first contact end and a second contact end. The second contact end is located closer to the main body portion than the first contact end. Prior to the first contact end abutting the protruding portion, a horizontal projection of the first contact end along an insertion direction at least partially overlaps with a horizontal projection of the protruding portion along the insertion direction and passes beyond a horizontal projection of the second contact end along the insertion direction.

Abstract: An LED light strip includes a plurality of LEDs provided at regularly spaced intervals on a printed circuit board (PCB), and a two-port screw-in terminal connector provided at opposite ends of the PCB and electrically connected to the plurality of LEDs for allowing the LED light strip to be connected to a power source, additional LED light strips, as well as other DC powered components via wire conductors.

Abstract: An ignition device for igniting an air/fuel mixture in a combustion chamber, in particular of an internal combustion engine, having a spark plug which has a first electrode and a second electrode, having a high voltage source for generating an electrical high voltage pulse at an output of the high voltage source, and having a high frequency voltage source for generating an electrical high frequency alternating voltage at an output of the high frequency voltage source, wherein the output of the high voltage source is connected electrically to the first electrode of the spark plug via a first electrical conduction path in such a way that the high voltage pulse is present at the first electrode, wherein the output of the high frequency voltage source is connected electrically to the second electrode via a second electrical conduction path in such a way that the high frequency alternating voltage is present at the second electrode.

Abstract: A conductor terminal is provided that includes at least one insulating housing, at least one contact insert, which is arranged at least predominantly within the insulating housing and which has at least one clamping spring, at least one actuating lever, by means of which the clamping spring can be deflected, wherein the actuating lever is pivotable at least from an open to a closed position and vice versa, wherein the insulating housing has as separate components at least a main housing part and a cover part, which can be positively fixed to the main housing part by means of at least a positive locking element.

Abstract: An electrical contact assembly for connecting a press-in contact to an electronic circuit includes a circuit board, which is provided with the electronic circuit, a receiving opening for pressing in a press-in contact, which receiving opening is continuously provided with an electrically conductive inner wall, and at least one conducting track of the circuit board, which conducting track is electrically connected to the inner wall and to the electronic circuit. The receiving opening is formed on a contact body electrically connected to the conducting track, which contact body is applied to a component side of the circuit board as an SMT-capable component.

Abstract: A connector which can improve reliability of electrical connection is provided. Accommodation recesses are formed to a plate-like terminal member, and a coil member accommodated in the accommodation recesses is retained to the terminal member, thereby allowing wire winding portions of the coil member to be deformed within the accommodation recesses when the winding wire portions are sandwiched between bottom faces of the accommodation recesses and a mating terminal. Consequently, the obliquely wound coil member is not likely to experience deformation other than fall over of ring portions, and/or is not likely to be displaced, improving contact between the coil member and both of the terminal member and the mating terminal. As a result, reliability of electrical connection can be improved.

Abstract: A bus bar assembling structure includes a resin block main body for an electronic component block, a first bus bar, and a second bus bar. The resin block main body includes a bus bar assembling portion. The first bus bar and the second bus bar are accommodated in the bus bar assembling portion. The first bus bar has a first pushing portion that is pushed when the first bus bar is accommodated in the bus bar assembling portion, the first pushing portion being a bent piece. The first pushing portion has a through hole or a notch. The second bus bar has a second pushing portion that is inserted into the through hole or the notch and is disposed at a position corresponding to a position of a pushed surface of the first pushing portion.

Abstract: A terminal block cover for use in an integrated drive generator has a body having a closed outer face and extending to an open inner face, and having an open side and a closed side. There are four connection channels for receiving electric connections for each of three phases of power and a neutral, and they extend from the closed side to the open side. There are spacing channels formed between adjacent ones of each of the four connection channels, with the spacing channels being formed by two spaced ribs with an interior space. An integrated drive generator and a method are also disclosed.

Abstract: The photovoltaic junction box comprises a box body, a plurality of terminals disposed in the box body, and a plurality of diodes disposed in the box body. A first terminal of the plurality of terminals is directly connected to a positive wire extending into the box body and a second terminal of the plurality of terminals is disposed adjacent to the first terminal. A first diode of the plurality of diodes has a first positive pin with a first positive soldering surface soldered on the first terminal and a first negative pin with a first negative soldering surface soldered on the second terminal. The first positive soldering surface has a larger surface area than the first negative soldering surface.

Abstract: The invention relates to an electrical connection device (100) including a terminal block (10) and busbar (12) assembly, the terminal block (10) including a first connection point (6) for receiving the lug (24) of a first cable and a second connection point (7) for receiving the lug (20) of a second cable. The second connection point (7) is adjacent to and offset from the first connection point (6). The connection points (6, 7) are positioned such that, when the two cables are connected substantially parallel to the axis, the second cable or the lug (20) thereof prevents access to the first connection point (6). The connection points (6, 7) are preferably offset horizontally and vertically. Preferably, a control cable is connected to the first connection point (6) and a power cable is connected to the second connection point (7).

Abstract: A rotary electric machine has a machine casing and a terminal box fitted to the casing, the terminal box having a base part, the latter defining at least: a fixing zone for fixing at least one electronic module, this fixing zone having one or more support elements for receiving fasteners for fixing the module or modules, an electrical connection zone, the latter having at least one block of material for receiving at least one electrical connection element, the support element or elements and the block or blocks of material being molded as a single piece with the base part.

Abstract: A two part, curable, epoxy composition useful for potting or sealing electrical devices for use in hazardous locations. Cured reaction products of the epoxy composition meet most or all UL 674 requirements and are useful to seal apertures in electrical equipment. Equipment sealed with the disclosed compositions can meet the UL 674 requirement.

Abstract: A housing slice for forming a modular housing for mounting an electrical component on a grounding rail carries a grounding member for grounding the electrical component to the grounding rail. The grounding member extends outside of the housing slice but does not extend beyond the sides of the housing slice to permit side-by-side stacking of the housing slice carrying the grounding member with other housing slices with or without grounding members.

Abstract: A method for electrically conductively connecting the electrical conductors (3, 4) of two high voltage cables (1, 2) is provided. The conductors (3, 4) are exposed at their ends by removing the respective casing and they are then inserted from different sides into a pipe piece (5) in such a way that they rest against each other with their end faces extending perpendicular to their axis and level with the central throughholes. The conductors (3, 4) are then secured by means of the securing screws (6) in the pipe piece 5 and bores extending in radial direction are made through the throughholes into which the two conductors (3, 4) project in the area of their end faces. Finally, the contact screws of an electrically well conductive metal are screwed into the central throughholes and further into the bores.

Abstract: An input/output (I/O) device for an automation control system includes a device housing containing control circuitry, the device housing being mountable to a support, a control power input for receiving control power from a first adjacent I/O device when connected thereto, the control power input configured to supply control power to the control circuitry, a control power output for outputting control power to a second associated adjacent I/O device, a field power input for receiving field power from the first associated adjacent I/O device when connected thereto, and a field power output for transmitting field power to the second associated I/O device. The field power input is selectively removable to prevent field power from being received by the I/O device from the first associated adjacent I/O device when connected thereto.

Abstract: A small form factor wiring connector provides a two wire to two point connector with separate-hole insertion for two wires, by having two holes on the first casing side of the connector and a terminal connection on the opposite second side of the connector. The design works well for a pluggable or fixed-mounted connector. The separate wire insertion holes and the internal screw-driven clamping means with U-shaped wire clamp and U-shaped fixed terminal surfaces provides positive connections which will not easily loosen.

Abstract: A power inlet socket coupled to a power delivering member of an electronic device to supply power from an external power plug to the electronic device includes a socket body comprising a power plug connector connected to the external power plug and a power delivering member connector connected to the power delivering member; three terminal pins, each terminal pin comprises a projecting pin extending from the power plug connector in parallel with one another to correspond to a terminal of the external power plug and a connection terminal exposed to the power delivering member connector; and an insulating barrier provided between at least a pair of connection terminals of the three terminal pins to cut off an electric current flowing among the connection terminals. Thus, the insulating distance of power inlet socket is improved.

Abstract: An electrical junction box includes a casing, a first installation space, a second installation space, and a connection part arranged in the casing the connection part includes a main body, a first connection end, and a second connection end. The main body is used for connecting to a cable; the first connection end, connected to the main body, is located in the first installation space, and is used for connecting to a contactor; and the second connection end, arranged on the first connection end, is located in the second installation space, and may be used for connecting to a resistance wire. The resistance wire may be connected to the second connection end without passing over the junction box, which is not only advantageous for fastening and installing the junction box, but also facilitates the connection and installation of the cable.

Abstract: A wall plate connector system includes a wall plate terminal block extending from a wall plate base. The wall plate terminal block includes a terminal block body having a front, a rear, a first end and a second end. The terminal block body has contact channels and wire channels open to corresponding contact channels to receive electrical wires during a poke-in termination. Terminal contacts are received in corresponding contact channels and each include a poke-in spring beam and a header beam. A header assembly is removably coupled to the wall plate terminal block and includes header contacts configured to be terminated to a control circuit board. Each header contact has a mating beam. At least one of the mating beam and the header beam is a resiliently deflected spring beam configured for repeated mating and unmating at separable mating interfaces.

Abstract: A disclosed terminal block assembly for a generator includes a terminal block with a base with first and second transverse terminal surfaces adjoining one another. One of the terminal surfaces includes an increased width greater than a length of a cable terminal lug for providing a lightning strike and creepage barrier. The terminal surfaces include spaced apart protrusions extending from the first and second surfaces to provide spaced apart terminal areas overlapping the first and second surfaces. First and second terminal studs are disposed within each corresponding first and second terminal areas and are electrically connected by a bus bar.

Abstract: An electric base, an electric gateway, and an electric gateway body are presented. The electric base includes: an electric base body, where two guide holes for passing cables in an electric grid are arranged in the electric base body, an output end for outputting a voltage of the cables is arranged on the electric base body and protrudes from the electric base body, and a conductor structure is nested in the electric base body to connect the cables and the output end. The foregoing electric base can be electrically connected to an input end of the electric gateway body and output power to enable the electric gateway body to operate.

Abstract: The present invention provides a connection unit capable of accommodating nuts and showing sealing ability in a state installed on a housing. A connection unit S includes: a terminal block 100 having holes h3 at one side of for accommodating nuts n; a terminal-connecting portions 200 at least partially exposed when viewed from the other side and fixed to the terminal block 100 with the circumferences of the terminal-connecting portions 200 in tight contact with the terminal block 100; and a nut cover 300 for covering the nuts accommodated in the holes h3 for preventing the nuts n from coming off. The connection unit S further includes: guide grooves and guide ribs for restricting movement of the nut cover 300 relative to the terminal block 100; and locking hooks 116 and locking holes h5 for restricting movement of the nut cover 300 relative to the terminal block 100.

Abstract: A retention housing having a housing body is provided, the retention housing configured to be mounted to a substrate. At least one, such as a plurality of cables can be electrically connected to a respective surface of the substrate to which the retention housing is mounted. When the retention housing is mounted to the respective surface of the substrate, at least a portion of the at least one cable can be compressed between a ground element supported by the respective surface of the substrate and a corresponding upper wall of the housing body, such that the at least one cable is placed into electrical communication with a ground plane defined by the substrate.

Abstract: A male connector (10) comprises: a male-side inner housing (30) which holds a plurality of male terminals (20) so as to expose circular portions (22) of the male terminals (20); and a partition member (40) which includes a rib (41) dividing the circular portions (22) of the plurality of the male terminals (30), and the male-side inner housing (30) and the partition member (40) are configured to be separate from each other.

Abstract: An electrical series terminal includes a first connecting portion which is connected via a first associate current bar to a first functional contact and a second connection portion being connected via a second associate current bar to a second functional contact. A functional zone is provided between the first connection portion and the second connection portion. The functional zone is configured to selectively and alternately receive and contact a plurality of functional elements such that when at least one functional element is introduced to the functional zone, the at least one functional element can be connected to the first and second functional contact. On the sides of the functional zone, a first and second connecting shaft are provided on the first and second connection sections.

Abstract: A connection module includes a housing having a housing base and a housing upper surface. The housing is configured to fix to a mounting rail via the housing base via a pivoting movement of the housing. The connection module includes a plurality of connection elements arranged in the housing, and at least one jumper insertion opening for receiving a jumper. The jumper is disposed in a transverse side of the housing. The connection module includes a contact element for forming an electrical contact with the jumper. The contact element is arranged in the jumper insertion opening. The jumper insertion opening extends in the direction of insertion of the jumper into the jumper insertion opening from the housing base towards the housing upper surface at an angle ? of between 20 and 70 degrees to a transverse axis of the housing.

Abstract: A power connector includes an insulative housing, a plurality of power contacts received in the insulative housing, a contact bus bar electrically connecting with the plurality of power contacts and a fastening element fastening the contact bus bar and an outer terminal arranged behind the insulative housing together. The insulative housing has a mating face at a front side thereof. The power contacts are provided with soldering pads, and the contact bus bar has a front mating pad engaging with the soldering pads. The front mating pad is formed with a plurality of soldering holes, and the front mating pad and the soldering pads being connected electrically via soldering tin set in the soldering holes.

Abstract: An electronic component includes a main body section having a rectangular parallelepiped shape and terminal portions disposed in the main body section. A housing member includes a first housing chamber that guides and accommodates the main body section therein and a second housing chamber that accommodates and holds terminal fittings therein. Each terminal portion includes a fitting portion that droops along a side surface of the main body section with a gap from the side surface and that is fitted to the corresponding terminal fitting. Each terminal fitting includes a spring portion that presses the corresponding fitting portion, and a pressing direction of the spring portion is held to direct to the corresponding wall portion. The electronic component, the terminal fittings, and the housing member are mutually assembled.

Abstract: A power control unit is mounted on a hybrid vehicle, and controls the electric power used for driving the vehicle. The power control unit includes a PCU case having a top cover where an opening is formed, a terminal block placed in the PCU case, and arranged opposite to the opening, and a substrate placed in the PCU case, and on which an electronic component is mounted. The terminal block includes a wall. The wall is arranged between the substrate and opening, and extends towards the top cover at a circumference of the aperture of the opening. By such a configuration, there is provided a power control unit having an intrusion of a foreign object suppressed while accomplishing reduction in size and cost.

Abstract: A terminal box that can be reliably fixed to a solar cell module is provided. The terminal box includes a bottom wall facing a back surface of the solar cell module, a top wall facing the bottom wall, side walls, and a housing space defined by the bottom wall, the top wall and the side walls to accommodate a component to be mounted. The bottom wall includes a limiting wall formed in a periphery of the bottom wall to project toward the solar cell module, and a communication opening for allowing a charging space defined by the limiting wall and the bottom wall to communicate with the housing space. The limiting wall defines a gap for allowing the charging space to communicate with external space of the limiting wall.

Abstract: A terminal block (10) is for connecting terminals (T) connected to enameled wires extending from a motor and busbars (B) extending from an inverter and includes a plurality of nuts (20) arranged in a width direction and configured to fasten the terminals (T) and the busbars (B) together with bolts (BT), guides (54) are provided between adjacent nuts (20) and configured to guide bolt fastening portions (T1) of the terminals (T) to the upper surfaces of the nuts by coming into contact with lateral edge parts of the terminals (T), and posture correcting portions (55) provided at positions where the terminals (T) are pulled out backward from the nuts and configured to correct postures of barrel portions (T2) of the terminals (T) in the width direction by contacting the barrels (T2) in the width direction.

Abstract: A junction box adapted to provide an electrical connection to an electrical wire attached to a photovoltaic panel. The junction box has a lower portion which has an entry slot to allow entry of the wire into the junction box and a raised protrusion over which the wire is bent and formed to be substantially in the same shape as the raised protrusion. The junction box also has a clamp adapted to be attachable to said lower portion, whereby the clamp holds the wire in place for providing the electrical connection. The wire is preferably bus ribbon. The lower portion preferably has an elastic polymeric element disposed between the raised portion and the wire. The raised protrusion may have an elastic polymeric element.

Abstract: A disclosed terminal block assembly for a generator includes a terminal block with a base with first and second transverse terminal surfaces adjoining one another. One of the terminal surfaces includes an increased width greater than a length of a cable terminal lug for providing a lightning strike and creepage barrier. The terminal surfaces include spaced apart protrusions extending from the first and second surfaces to provide spaced apart terminal areas overlapping the first and second surfaces. First and second terminal studs are disposed within each corresponding first and second terminal areas and are electrically connected by a bus bar.

Abstract: A terminal block serves for electrically connecting a connection line and extending externally of an electronics housing. The terminal block comprises a platform composed at least partially of an electrically insulating, synthetic material, a connection terminal arranged on a first side of the platform forming a first connection side of the terminal block and serving for connection of a conductor of the connection line as well as at least one connection terminal arranged on the first side of the platform. A connection contactor. Arranged within the platform, especially for the purpose of forming a circuit output meeting European standard EN 60947 5 6:2000, are a resistance element as well as a resistance element. A first connection of the resistance element is electrically connected with the connection terminal and a second connection of the resistance element is electrically connected with the connection contactor.

Abstract: A conducting wire terminal seat comprises a main body which includes a first body and a second body. The first and second bodies respectively have a chamber for allowing an entry of high and low current (or voltage) conducting wires which is then electrically connected to metal units in respective chambers. A height (or length) of the first body is larger than a height (or length) of the second body, so that a distance from the first body to an operating area is smaller than a distance from the second body to the operating area. Therefore, the operator operates the loading and unloading operation of the high and low current conducting wires under a safer circumstance.

Abstract: An industrial automation technology input/output module includes a base section with front and rear sides, a printed circuit board, a contact strip on the front side with a plurality of contact elements configured to make an electrical connection with corresponding mating contact elements of a connector strip, wherein the contact elements are electrically connected to the printed circuit board, a device for forwarding a supply voltage for the printed circuit board is disposed parallel to the contact strip, the device includes a terminal point and the connector strip is formed to include a plurality of mating terminal points electrically connected to respective mating contact elements, and the supply voltage is switched to the printed circuit board via a link element that is insertable into the terminal point and the mating terminal point to interconnect a pair of opposed contact elements and to supply voltage to the printed circuit board.

Abstract: A terminal lead frame comprises a frame and a plurality of terminal pairs set in the frame. The frame is a first dielectric material. The terminal pairs include a first terminal and a second terminal. The first terminal and the second terminal include a first and second extensions extending into the frame along with a first path and a second path, respectively. The first path is longer than the second path, wherein the first extension contacts with a second material to form a first area of contact while the second extension has a second area of contact with respect to the second dielectric material. The first area of contact is larger than the second area of contact.

Abstract: An electrical terminal or spring terminal for forming an electrical connection between a wire conductor and a current bar includes a spring and a spring retainer, the spring retainer not integral with the spring and not integral with the current bar. Engageable abutment surfaces on the spring retainer and the current bar cooperate to transfer spring force to the current bar.

Abstract: An electric through-wall terminal having a housing and a contact device, at which a plug zone is provided for accommodating a test- and/or connection plug. A first conductor terminal is provided which is connected with a first contact unit of the contact device. A second conductor terminal is connected with a second contact unit of the contact device. The housing comprises plug-in apertures on two sides from each of which a test- and/or connection plug can be inserted into the plug zone for contacting the first and second contact units.