Abstract: A motor lead coupler is configured to provide a metal-to-metal sealed connection between a first motor lead extension and a second motor lead extension. The motor lead coupler includes a first plurality of receivers on a first end of the body, a second plurality of receivers on a second end of the body, and a plurality of intermediate terminals. Each of the first plurality of receivers is configured to receive a corresponding one of the first plurality of leads, and each of the second plurality of receivers is configured to receive a corresponding one of the second plurality of leads. Each of the intermediate terminals is connected between a corresponding pair of the first plurality of receivers and the second plurality of receivers. The motor lead coupler includes pressure test ports that can be used to pressure test the connection between individual leads and the motor lead coupler.

Abstract: A current transmission assembly and a current transmission system are provided. The current transmission system includes the current transmission assembly and a circuit board structure. The current transmission assembly includes a pluggable component, at least one conductor component, and at least one electrically connecting component. The pluggable component includes a housing, at least one set of electrically conductive arms, and at least one connecting member. The at least one sets of electrically conductive arms is disposed inside the housing. The at least one conductor component includes an electrical insulator and a wire main body. The electrical insulator encircles the wire main body, so that a first terminal and a second terminal are exposed from the wire main body, and the first terminal is connected to the at least one two connecting member.

Abstract: Electrical connector systems and methods create an electrical connection between a flexible circuit (FC) and a metal terminal of another connector. A reliable electrical connection is achieved with a low-cost tin contact plating, by an automatic FC to metal terminal wiping action with contact force, during the connector to FC assembly process. The connector to FC assembly process is also well suited for automated robotic assembly, which can save costs compared to manual assembly/installation.

Abstract: An electric connector comprises a wall surrounding a receptacle that receives a strand of an electric wire and having a threaded hole extending through the wall and opening into the receptacle, and a fastener bolt screwed into the threaded hole and clamping the electric wire. The fastener bolt includes a bolt part having a head section, a thread section and a shearing section connecting the head section and the thread section. The fastener bolt further includes a nut part screwed onto the thread section. The shearing section is adapted to break if a predetermined fastening torque is exceeded. The thread section is hollow and has a predetermined tensile breaking strength.

Abstract: A cable assembly with a shielded termination portion where signal conductors of a plurality of cables are directly mounted to tail portions of signal terminals of a cable connector. Shielding in the termination portion may be provided by interaction of a wave-shaped shield, tail portions of ground terminals between tail portions of the signal terminals, a cross bar connecting the ground terminals and an exposed portion of a cable shield. The wave-shaped shield may be mechanically connected to at least the tail portions of the ground terminals and may be configured to press the cable shields into the crossbar. Such a configuration improves signal transmission performance by providing a consistent shielding at the connection areas where the cables are mounted to the tail portions of the conductive terminals and at the same time eliminates the need of an intermediate circuit board and therefore reduces manufacturing costs.

Abstract: For the fastening of the shielding of a cable having a conductor, an insulation surrounding the conductor and an outer shielding, there is disclosed a band clamp having an insulating coating. Measures are taken to make the coating robust and durable and to prevent contact corrosion on the shielding and the band clamp.

Abstract: An assembly comprises an AC (alternating current) housing connection block and a plurality of inserts seated in the AC housing connection block, wherein for each of the inserts, an interface between the insert and the housing is continuous. A method includes inserting a plurality of inserts into a mold; and molding an AC (alternating current) housing connection block.

Abstract: The present disclosure provides a dis-connectable wellhead hanger arrangement permitting a pig tail set of electrical conductors to be inserted within the wellhead hanger arrangement which seals against the wellhead hanger upon separation of an electrical power cable; or alternatively, through an exterior pressure-preserving housing. If the power cable separates from the production tubing for any reason, the compressively fit plugs disconnect the power cable from the pathway leaving the electrical mandrel sealed within the wellhead hanger or housing, thereby sealing the wellhead hanger from loss of fluid after separation.

Abstract: An electrical power connector for an electrical submersible well pump motor has a housing having a bore. A pair of rigid insulators are within the bore of the housing, each of the insulators having a cylindrical outward-facing side that is in contact with an inward-facing side wall of the housing. A resilient elastomer seal is sandwiched between the insulators in sealing engagement with the inward-facing side wall. Passages extend through each of the insulators and the elastomer seal for receiving insulated conductors of a power cable. A spring in abutment with one of the insulators exerts an axial compressive force on the elastomer seal.

Abstract: A system for managing grid interaction with an energy storage device includes an energy exchange server, a plurality of energy storage devices, a plurality of interconnect socket adapters, and a plurality of energy exchange controllers, each energy exchange controller coupling to one of the plurality of interconnect socket adapters and dictating energy consumption based on energy pricing data received from the energy exchange server.

Abstract: According to an embodiment, a high-speed transmission connector includes: a row of first contacts, a row of second contacts, a row of third contacts, a row of fourth contacts, an upper housing that supports the row of first contacts, a lower housing that supports the row of second contacts, and an inner housing that supports the row of third contacts and the row of fourth contacts. The upper housing, the lower housing, and the inner housing are assembled in such a manner that the upper housing and the lower housing face each other in a vertical direction with a gap therebetween, and the inner housing is accommodated in the upper housing and the lower housing. The gap forms a slot into which a header of a device as a communicating counterpart is to be fitted.

Abstract: An assembly for supporting one or more cables in coiled tubing deployed in a well is described. The assembly includes a receptacle connected to an upper opening of the coiled tubing. A receptacle clamp is connected to the receptacle to provide a circumferential lateral extension surface. A separate extension column having a base portion is supported on the lateral extension surface. The extension column has an upper platform surface separated vertically from the base portion. A cable clamp is supported on the upper platform surface and configured to reversibly grip the one or more cables. The assembly is useful for any process requiring support of cables in coiled tubing deployed in a well, such as a process for assembling a heater for providing underground heat.

Abstract: A bracket includes an upper bracket and a lower bracket. The upper bracket and the lower bracket support a supported body from above and below between the upper bracket and the lower bracket. The lower bracket has a pair of lateral lower bracket sidewall portions overlapping with a pair of lateral upper bracket sidewall portions of the upper bracket. The lateral lower bracket sidewall portions catch with the lateral upper bracket sidewall portions to catch the lower bracket on the upper bracket.

Abstract: An electric connector includes a tubular conductive shell, covers provided outside the shell to cover at least part of the shell, and a movable cover coupled to the cover through a rotary shaft. The cover has locking pieces on a cable side. The movable cover has locking pieces to be engaged with the locking pieces. At least one of the locking piece or the locking piece includes multiple locking pieces arranged along a circumferential direction of a circle about the rotary shaft. The locking pieces and the locking pieces form a ratchet mechanism, and have such a structure that the locking pieces and the locking pieces are movable in an approaching direction and movement in a direction in which the locking pieces and the locking pieces are separated from each other is restricted.

Abstract: A removable-replaceable protector for a cable secured to a plug. The protector includes a resiliently-flexible sleeve positionable over the cable and the plug, the sleeve having a longitudinal slit extending along the sleeve. The protector also includes a resiliently-rigid clip positionable over the resiliently-flexible sleeve and super imposed over the plug, the clip having a longitudinal slot extending along the clip.

Abstract: A connector pair, which is selectively separable, includes a first connector configured to secure first terminals of a first connector wire therein and a second connector, identical to the first connector, configured to secure second terminals of a second connector wire therein. Each of the first and second connectors includes a lower housing including a wire retention channel that receives the respective first or second connector wire therein, terminal retention channels that receive the respective first or second terminals therein, and a latch connector. An upper housing includes securement members that lock to the respective lower housing to retain the respective first or second connector wires and the respective first or second terminals therein. A latch is configured to mate with the latch connector of the opposed connector to retain the first and second connectors together.

Abstract: The present disclosure relates to a converter. The converter may include a first connector configured to transmit one or more signals, a second connector configured to receive the one or more signals, a first cable with a first impedance, a second cable with a second impedance, and an impedance module. The first connector may be connected to the impedance module via the first cable. The second connector may be connected to the impedance module via the second cable. The impedance module may be configured to convert the first impedance of the first cable to the second impedance of the second cable such that the one or more signals are transmitted from the first connector to the second connector via the first cable and the second cable.

Abstract: A component carrier for carrying an electronic component on and/or in the component carrier, wherein the component carrier includes an interconnected stack composed of a plurality of electrically conductive layer structures and a plurality of electrically insulating layer structures, wherein at least part of at least one of the electrically conductive layer structures is configured as at least part of an integrated strain gauge configured for detecting strain exerted on at least part of the component carrier.

Abstract: A connector part for connecting to a mating connector part includes: a housing part; an electrical contact element arranged on the housing part for making electrical contact with the mating connector part; and a temperature monitoring device having a sensor device for detecting a heating on the contact element. The temperature monitoring device includes a carrier element which extends flatly along a plane, on which the sensor device is arranged, and which has two clip arms via which the carrier element is clippable onto the contact element.

Abstract: For example, the provision of a cable connector where a cable holder can maintain the position of a member where the cable holder is mounted, before and after the mounting. The cable connector includes a housing and paired cable holders. One end of a cable can be mounted in each of the paired cable holders. Each of the paired cable holders includes a cantilevered arm portion extending in a mounting direction of the cable holder on the housing. At least part of the arm portion can come face to face with part of the housing in a direction along a lead-out direction of the cable from the cable holder, at the time and after the mounting of the cable holder on the housing.

Abstract: Various embodiments include device housing for an electrical device comprising: an inner housing with a first lower shell and a first upper shell; and an outer housing with a second lower shell and a second upper shell. There is a cable insertion opening defined by a cable seating profile in the first lower shell and a flush cable cover profile in the first upper shell for a cable routed to the device; a clamping body retained by the inner housing; and a friction and/or form-fitting contact between the clamping body and the cable can be effected by means of the outer housing when the clamping body is pressed onto an outer surface of the cable by the upper shell of the outer housing.

Abstract: An electrical connector having electrical terminals and a housing. The housing has a terminal-receiving portion with terminal-receiving cavities for receiving the electrical terminals therein. At least one latch-receiving slot is positioned between adjacent terminal-receiving cavities. A cover portion is provided for covering the terminal-receiving cavities and the terminals. The cover portion has latches which cooperate with the at least one latch-receiving slot when the cover portion is moved to a closed position. A hinge portion connects the terminal-receiving portion to the cover portion. The hinge is deformable to allow the cover portion to move between an open position in which the terminals can be inserted and removed from the terminal-receiving cavities of the terminal-receiving portion and the closed position in which the terminals are secured in the terminal-receiving cavities of the terminal-receiving portion.

Abstract: An electric wire with a connector includes: an opening portion that is provided to a connector housing, and that allows an electric wire to be pulled out of the connector housing; a closing body that has an electric wire insertion hole for inserting and passing the electric wire pulled out of a wire outlet of the opening portion, and that closes the wire outlet by being attached to the opening portion; and a protecting member that is tubular and into and through which the electric wire pulled out of the wire outlet via the electric wire insertion hole is inserted and passed. The closing body includes: a housing chamber that houses one end of the protecting member; and an inserted portion that includes the housing chamber and that is inserted into the opening portion.

Abstract: An actuator operable to drive a thrust reverser in a gas turbine engine, wherein the thrust reverser comprises first and second translatable sleeves. The actuator comprises a first actuating member moveable so as to translate the first sleeve and a second actuating member moveable so as to translate the second sleeve. The actuator further comprises an interlock arrangement operable in a locked mode in which the first actuating member and second actuating member are locked so as to move together and in an unlocked mode in which at least one of the first actuating member and second actuator member is free to move independently of the other. Operation of the actuator to open or close the thrust reverser comprises a first mode wherein the interlock arrangement is in the locked mode and a second mode wherein the interlock arrangement is in the unlocked mode.

Abstract: A vehicle wiring harness assembly for installing an aftermarket electronic device into a vehicle electrical system includes a relay plug that is insertable into a starter relay socket in a vehicle electrical system fuse box. The relay plug takes the place of the starter relay in the vehicle electrical system fuse box. A fuse plug is insertable into a fuse slot in the vehicle electrical system fuse box. Thus, the fuse plug is in electrical communication with the battery of the vehicle electrical system. A wiring harness is electrically coupled to each of the relay plug and the fuse plug. In this way the wiring harness can supply voltage and ground to an aftermarket electronic device without modifying existing wiring in the vehicle electrical system.

Abstract: Disclosed are cable types, including a type THHN cable, the cable types having a reduced surface coefficient of friction, and the method of manufacture thereof, in which the central conductor core and insulating layer are surrounded by a material containing nylon or thermosetting resin. A silicone based pulling lubricant for said cable, or alternatively, erucamide or stearyl erucamide for small cable gauge wire, is incorporated, by alternate methods, with the resin material from which the outer sheath is extruded, and is effective to reduce the required pulling force between the formed cable and a conduit during installation.

Abstract: A lower cover of the connector cover includes a pair of elastic hold arms projected upward from both side walls of a tube placement wall. An upper cover includes a pair of arm storing portions for storing the pair of elastic hold arms. The pair of arm storing portions respectively have facing surfaces. The facing surfaces respectively face side surfaces of the pair of hold arms perpendicular to the wire lead-out direction, when the lower cover and the upper cover are connected to each other.

Abstract: A connector cover (1) for protecting a wire (80) extending rearward from a connector (100) includes a cover body (10) mountable to extend rearwardly of the connector (100) and fixed to the connector (100), a rear cover (50) disposed behind the cover body (10), a coupling (70) coupling the rear cover (50) and the cover body (10), and extending shape holding portions (60) capable of holding the rear cover (50) in a rearward extending state to extend rearwardly of the connector (100). The rear cover (50) transitions to a rearward extension released state where the rearward extending state is released by being laterally pushed by the wire (80).

Abstract: An electric cable cover that is to be mounted on a connector housing and that covers an electric cable led out from the connector housing includes a plurality of split covers that are connectable to each other. The plurality of split covers each includes: a base part that is to be attached to the connector housing; a hinge with flexibility that is formed to be integrated with the base part; and a rotation part that is contiguous to the hinge and rotates using a rotation axis of the hinge as a center. In a state where the plurality of split covers are connected to each other, a border region between the base part and the rotation part is provided at a different position for each of the plurality of split covers.

Abstract: An electrical plug connector including a body having a cavity, an electrical connection portion on the body, a wire locking mechanism in the cavity, and a current transmitter electrically connecting the electrical connection portion and the wire locking mechanism. The body may include a cover pivotable from an open position to a closed position.

Abstract: An electrical connector including a housing and electrical conductor plating. The housing includes a first member and a second member. The first member is made of plastic and forms at least one first contact receiving channel therein. The second member is attached around the first member, and the first and second members form at least one second contact receiving channel therebetween. The electrical conductor plating is on the first member. The electrical conductor plating includes at least one first section along the at least one first contact receiving channel and at least one second section along an exterior side of the first member at the at least one second contact receiving channel. The first and second sections of the electrical conductor plating are electrically separate from one another.

Abstract: A stage pin electrical connector includes a housing having a first housing member and a second housing member. The first and second housing members are releasably connected together to define an interior, a conductor opening, a contact portion, and a contact opening. The contact portion includes a first snap-fit connection feature. A sleeve receives a contact member and has a second snap-fit connection feature configured to releasably mate with the first snap-fit connection feature.

Abstract: An electromechanical actuating drive (1) having a servomotor (2) arranged so that the servomotor (2) can rotate about its longitudinal axis in a vehicle, and a cable harness (3) having first and second ends. A first end of the harness (3) is connected to the servomotor (2) and the harness (3) extends, in an elastically deformable arc, from the first end to the second end. The second end of the harness (3) is positionally fixed in the vehicle. The second end of the cable harness (3) is clamped in a securing and deflecting device at a transfer point (5).

Abstract: An electric connector suited for an electronic device is provided. The electric connector includes a body, a plurality of terminals, and an electrical connecting member. The body is suited to be disposed in the electronic device and has at least one receiving area located on at least one of a top portion and a bottom portion of an exterior of the body. The terminals are disposed in the body, and an external electric connector is suited to be butted to the body along a first axis to be electrically connected to the terminals. One end of the electrical connecting member is located at the receiving area to be electrically connected to the terminals, and another end of the electrical connecting member extends out of the receiving area along a second axis to be electrically connected to the electronic device. The first axis is different from the second axis.

Abstract: A connector includes a terminal having one end soldered to a substrate; an insulating member that supports the terminal; a metal case that covers a part of the insulating member and the terminal; and a metal shield that is spot-welded to the case at several positions and covers an exposed part of the insulating member. The shield includes: an upper shielding part that covers the upper plate of the case; and an inner shielding part that bends from the end of the upper shielding part and reaches the mounting face of the substrate or a position close to the mounting face and covers the substrate-inward lateral face of the insulating member. The inner shielding part has ground posts.

Abstract: A plug connector having a housing and at least one contact element which is fixed within the housing and is designed for connection to a wire of a cable, which wire is partially surrounded by a jacket, wherein the housing comprises two housing parts which are designed in such a way that they are fitted to one another in order to assemble the plug connector and are connected by being moved in the longitudinal direction of the plug connector until they reach an end position, wherein, owing to the movement, a part of at least of one of the housing parts, which part is provided for receiving a portion of the jacket, is radially deformed in order to fix the jacket.

Abstract: A breakout board for interfacing a power supply unit (PSU) with one or more devices, the PSU providing power to the devices and comprising a plurality of pins having functions, the breakout board having a body including conductive tracks; a slot connector having first and second pluralities of pin receivers disposed on the body, wherein, when the PSU is inserted into the slot connector, the pin receivers couple to the corresponding pins of the PSU; a plurality of bundle connectors disposed on the body for relaying the power from the PSU to the devices, each of the bundle connectors having first and second pluralities of single connectors, wherein the pin receivers are coupled directly to the respective single connectors on each of the bundle connectors; and wherein after an interruption, power from the PSU to the devices is restored instantaneously without requiring manual intervention.

Abstract: A wire cover (30) can be mounted to a connector body (C) in any one of a first direction and a second direction opposite to the first direction with respect to a wire drawing port (31). A first mark (M1) and a second mark (M2) having different appearance from each other are provided in the wire cover (30). A first identification mark (S1) is provided on one of both side surfaces of the connector body (C) and a second identification mark (S2) is provided on the other side surface. When the wire cover (30) is mounted in the first direction, the first mark (M1) and the first identification mark (S1) are disposed close to each other. When the wire cover (30) is mounted in the second direction, the second mark (M2) and the second identification mark (S2) are close to each other.

Abstract: A connector housing assembly is configured to withstand a cantilevered force applied by wires onto the dress cover and prevent contact between the dress cover sidewalls and the wire or a terminal to reduce disengagement of the connector housing and dress cover. The connector housing includes ridges integrated on the outer surface of the sidewalls of the connector housing. The dress cover includes a finger feature integrated on the sidewalls of the dress cover that engages the ridges of the connector housing to produce a cantilever force that counter acts the force exerted on the dress cover from the of wires. The dress cover further includes stabilizing ribs connected to the interior surfaces of the sidewalls and top surfaces. The stabilizing ribs prevent movement of the assembly causing the terminal or wire from rattling resulting in wear or damage to the wire or terminal.

Abstract: A power plug structure for light emitting electric power cord is disclosed, wherein a plug body is internally combined with a circuit board comprising at least a circuit device and two conductive boards, in which the circuit device includes at least a light emitting diode (LED), and the LED respectively corresponds a light guiding line within a power line; accordingly, when the two conductive boards guide alternative current (AC) power to the LED, the circuit device can drive the LED to generate light such that the light guiding line can integrally illuminate because of the light conduction, and the entire electric power cord can glow outwards through the translucent cladding.

Abstract: The present disclosure discloses a cable connector, which comprises: at least one cable, the at least one cable comprises an insulating sheath, a shielding layer inside the insulating sheath and at least one conductive wire; a connector, the connector comprises a metal shell, the metal shell is provided with a cable receiving portion mounting the at least one cable, the at least one cable is inserted into the connector to allow the connector and the at least one conductive wire to be electrically connected. The shielding layer is exposed out of the insulating sheath at an end of the at least one cable, a conductive elastomer is sheathed on the exposed shielding layer, when the cable receiving portion squeezes the at least one cable, the conductive elastomer is deformed and fills most of a gap between the cable receiving portion and the at least one cable.

Abstract: Connector systems may include a connector receptacle and connector plug or insert. The connector receptacle may include a tongue. The tongue may be formed using a printed circuit board. Contacts may be plated on top and bottom surfaces of the tongue. Retention features may also be located on top and bottom surfaces of tongue. These retention features may be speed bumps or other features. The connector insert may include a leading edge portion formed of plastic, a conductive shield around the insert behind the leasing edge portion, a plurality of spring contacts attached to an inside of the conductive shield, a top row of contacts; and a bottom row of contacts. Other connector receptacles may include a tongue having side ground contacts. The side ground contacts may engage an inside of a plug shield and have contacting portion to fit in openings in the plug shield.

Abstract: A wire cover (10) is mounted on a rear surface of a housing (30) so that a bundle of wires can be (31) pulled out in a predetermined direction from a rear surface of the housing (30). The wire cove (10) includes a band inserting portion (15) having a curved shape to extend along a part of an outer surface of the bundle of the wires (31) in a circumferential direction and defines a route for a binding member (40) for binding the bundle of the wires (30). A lock fixing portion (47) is provided on an end of the band inserting portion (15) in the circumferential direction and is configured to position a lock (42) of the binding member (40) for locking a band (41) wound around the bundle of wires (31) at a predetermined position, and a reinforcing portion (18) is provided on the lock fixing portion (17).

Abstract: An electric cable is provided having a plurality of insulated power conductors, a pilot and ground wire assembly and a saddle positioned between the plurality of insulated power conductors with the pilot and ground assembly being positioned within the saddle, where the saddle is constructed from a semi-conductive polymer. An inner sheath surrounds the saddle and the plurality of insulated power conductors, where the inner sheath is constructed from a semi-conductive polymer and where the inner sheath, saddle and the plurality of conductors form a flat cable. An outer insulating sheath disposed around the outside of the inner sheath.

Abstract: A voltage protection for printed circuit boards is provided, which is slotted on one end, such that it has printed circuit board strips, a mount, which is configured to at least partially receive the printed circuit board, and a voltage protection cover, which is configured to be connected to the mount and the printed circuit board, such that a chamber system is formed, in which each printed circuit board strip is disposed inside a chamber, which is formed by the connection between the mount and the voltage protection cover.

Abstract: Provided are a circuit board assembly that can prevent contact between connection terminals due to whiskers even if whiskers grow from the connection terminals and a method for manufacturing an insert molded product. A cover body of a circuit board assembly has a plurality of partition walls that form a plurality of grooves each accommodating a corresponding one of connection terminals. The partition walls restrain the inner surface of a second cover of the cover body from entering the grooves when an external pressure is applied to a part of the cover body which covers the connection terminals. The partition walls also prevent contact between adjoining ones of the connection terminals when whiskers grow.

Abstract: An electrical receptacle assembly is mountable at an opening in a work surface to provide convenient access to electrical power and/or data. The assembly includes a main housing and a housing shell. The main housing defines an interior cavity for receiving a lower portion of an electrical or data outlet, and has an outlet opening in which a face of the electrical or data outlet is supported. The housing shell is coupled to the main housing and surrounds at least a portion of the interior cavity. Respective outer surfaces of the main housing and the housing shell cooperate to form an outer surface of the two-piece housing that is insertable into the opening in the work surface. A fastener, which may be an internally threaded collar, engages the two-piece housing, which may be externally threaded, and also engages the work surface, to secure the assembly to the work surface.

Abstract: A receptacle connector includes: a housing provided with an accommodating space having an opening into which a object to be connected is to be inserted; a plurality of contacts to be housed in the accommodating space while being arranged adjacent to one another, the contacts including a plurality of signal line contacts and a plurality of ground contacts; and a conductive member including first connection parts which are each made of a metal material and are electrically connected to the plurality of ground contacts, respectively, and a conductive resin member which is electrically connected to the first connection parts.

Abstract: A cable connector includes a metal housing, conductive terminals, and contact members. The metal housing includes a first end and a second end opposite to the first end. An accommodation space is formed for communicating with the first end and the second end. The conductive terminals are configured to clamp cables, and each conductive terminal includes a clamp portion, a containing portion, and an engaging portion. The clamp portion and the engaging portion are disposed at two ends of the containing portion, respectively. At least one slot is formed on the engaging portion. Each contact member passes through the accommodation space from the first end and is inserted into the engaging portion. An outside surface of the contact member contacts an inner surface of the engaging portion by making surface-to-surface contact, thereby reducing a resistance value to permit efficient power transmission.

Abstract: An electrical receptacle connector includes a metallic shell, an insulated housing, a plurality of first receptacle terminals, a plurality of second receptacle terminals, and a rear cover plate. The insulated housing is received in the receiving cavity. The first receptacle terminals and the second receptacle terminals are respectively disposed at an upper portion and a lower portion of the insulated housing. The rear cover plate includes a baffle plate and a connecting portion formed at one of two sides of the baffle plate and connected to the rear of the metallic shell. The rear cover plate is closeable and openable, so that the soldering condition between the first receptacle terminals and contacts of a circuit board can be checked when the rear cover plate is opened.