Abstract: A bus bar assembly includes, among other things, a nonconductive terminal cap that is configured to at least partially surround an electrically conductive terminal. The terminal cap has a perimeter wall that is configured to circumscribe at least a portion of the terminal to provide a gap that is configured to expose the terminal. The terminal cap includes a first attachment feature. The terminal cap also includes a bus bar that has an end that is configured to mechanically and electrically engage the terminal in an assembled condition. The terminal cap further includes a nonconductive shroud that encloses the bus bar. The shroud includes a second attachment feature that is configured to removably engage the first attachment feature in the assembled condition to secure the shroud to the terminal cap.

Abstract: The invention relates to a charging plug (100) for coupling to a corresponding plug connection (200) and for transmitting electrical energy, said charging plug comprising a charging plug housing (110) having a latching body (10) which is provided for establishing a detachable frictional and/or interlocking connection between the charging plug (100) and the plug connection (200) together with a corresponding latching body (20) of the plug connection (200), the latching body (10) having at least one detecting element (11) in a portion of the latching body (10) which is provided for frictional and/or interlocking connection to the corresponding latching body (20), and the charging plug housing (110) having at least one sensor unit (111) by means of which the detecting element (11).

Abstract: A connector includes a first housing, a second housing connectable to the first housing, and a lever rotatably supported on the first housing. The lever includes a lever lock portion for holding the first and second housings in a connected state. The first housing includes a first locking portion and the second housing has a second locking portion. The first and second locking portions, are arranged side by side with each other to constitute an integrated locking portion and arranged to be lockable to the lever lock portion with the first and second housings connected.

Abstract: The invention relates to a component part (1) for an inhaler (27), preferably for an electronic cigarette product, which component part comprises a carrier (2), an electric evaporator (3) arranged on the carrier (2) for evaporating liquid supplied to the evaporator (3), and an electric connection for supplying the evaporator (3) with electric energy and/or for receiving control signals for the evaporator (3). The electric connection comprises a plug connector part (7), which is configured for reversible interaction with a corresponding plug connector part (22) of the base part (20) of the inhaler (27). A base part (20) for an inhaler (27) comprises an electronic control device (21) and an electric connection for transmitting control signals to a component part (1) and/or for the electric supply of a component part (1) of the inhaler (27).

Abstract: A connector, a bayonet-style connector, and methods for using the connector or bayonet-style connector are provided. At least one connector includes a receiver having an inner volume to receive a connector, and having a pawl; and a pushbutton or actuator that operates to move or unlock the pawl so that a user can insert and lock and/or unlock and remove the connector using only a single hand of the user. At least one bayonet-style connector includes a connector portion having an opening; a receptacle portion that operates to slidingly accept the connector portion and that has a pawl that operates to engage with the opening to lock the connector portion in place; and an actuator that operates to impart force on the pawl to unlock the connector portion so that a user can remove the connector portion using only one hand of the user.

Abstract: A connector system includes an adapter with a first mating portion, a second mating portion and a transition portion. A continuous outer wall extends across the first mating portion, the transition portion and the second mating potion. A first terminal positioned in the adapter. At least one receptacle has a receptacle mating section and a receptacle transition section. A continuous receptacle outer conductive wall extends across the receptacle mating section and the receptacle transition section. A receptacle inner wall extends perpendicular to the receptacle outer wall. A second terminal is positioned in the at least one receptacle. A retention member is provided in the receptacle mating section. The continuous outer wall and the continuous receptacle outer wall form a grounding shield minimizing signal leakage from the first terminal and the second terminal.

Abstract: A lighting assembly includes a heat sink including a pad surface, and an LED mounted on the pad surface. An optical device is optically coupled to the LED, and a support structure is provided for connecting the optical device to the heat sink. The support structure includes fixation spacers to connect the supporting structure to the heat sink, and both the LED and the fixation spacers contact the pad surface on a common plane.

Abstract: A terminal fastening structure of a connector for an electric vehicle includes a pair of tab terminals electrically connected to an electrical wire connector, a plug inner housing having an opening at a first end into which the tab terminals are inserted, and a pair of terminal holders fastened to the plug inner housing and fixing the tab terminals to the plug inner housing.

Abstract: Exemplary embodiments of a system for retrofit of an LED light kit to a food shield system are disclosed. Certain embodiments are configured such that an existing food shield system may be retrofitted with an LED light strip without having to deconstruct the food shield system. Depending on embodiment, the solution allows for the LED light kit to be mounted to a panel surface or along the edge of a panel. Advantageously, a power supply wire may be received into the system in such a way that it is secured and unable to be inadvertently disconnected from the LED light strip. It is a further advantage of certain embodiments of the solution that they may be installed without creating any undesirable gap or crevice that would harbor pathogens or be difficult to clean.

Abstract: Example implementations relate to pen holding devices. In an example, a pen holding device can comprise a connector coupled to a receiver to couple the pen holding device to an electronic device, and the receiver including a magnet and a pen clip holder, the receiver to couple a pen via the magnet and the pen clip holder.

Abstract: A connector housing includes a contact housing receptacle and a contact housing disposed in the contact housing receptacle. The contact housing has a movable contact securing flap. The contact securing flap is disposed inside the contact housing receptacle and is movable between an open position, in which the electrical contact units are unlocked in the connector housing, and a locking position in which the contact units are locked in the connector housing.

Abstract: A positioning structure includes a first positioning component and a second positioning component. The first positioning component includes a first arched positioning portion having a first arched positioning surface. The second positioning component is disposed at one side of the first positioning component, wherein the second positioning component includes a second arched positioning portion having a second arched positioning surface. The second positioning component is configured to rotate relative to the first positioning component, such that the second arched positioning portion is moved to one side of the first arched positioning portion. The second arched positioning surface abuts against the first arched positioning surface, such that a degree of freedom of movement of the second positioning component in a direction is restricted by the first positioning component. An energy storage device is also provided.

Abstract: An electrical connector includes an insulating block and multiple terminals arranged along a left-right direction of the insulating block. The insulating block has multiple opening holes along a vertical direction thereof. Each terminal has a fixing portion fixed to the insulating block. The fixing portion has an adjustment portion. The terminals in one row include multiple first ground terminals, multiple second ground terminals and multiple pairs of differential signal terminals, correspondingly arranged along the left-right direction sequentially as: one of the first ground terminals, one of the pairs of differential signal terminals, one of the second ground terminals, another one of the pairs of differential signal terminals, and another one of the first ground terminals. The adjustment portion of each second ground terminal is exposed in the opening hole along the vertical direction, and the adjustment portion of each first ground terminal is not exposed in the opening hole.

Abstract: A connector includes terminals and shield members respectively supported in a housing, and protection caps. The terminal is in the form of a flat plate extending in an assembling direction D with a mating connector and has a contact point with a mating terminal of the mating connector on a plate surface of the terminal. The shield member surrounds the terminal to face the terminal in a direction orthogonal to the assembling direction D. The protection cap includes a front covering portion for covering a front end part in the assembling direction D of the terminal and locking claws locked to the shield member, and is fixed to the shield member by locking of the locking claws. The connector 10 is coupled to the mating connector with the protection caps fixed to the shield members and front end parts of the terminals covered by the front covering portions.

Abstract: The power module comprises an electronic board (EB), in which at least one power switching branch is integrated, a capacitor (CE) and at least three DC power supply busbars (B1, B2, B3), wherein the electronic board is mounted between a first busbar (B1) and a second busbar (B2) and the capacitor is mounted between the second busbar (B2) and a third busbar (B3) and the electronic board, the capacitor and the busbars comprise electric contact faces allowing assembly, of the “press pack” type, of the electronic board and of the capacitor.

Abstract: The invention concerns a battery system (200) for a vehicle (1), preferably for an industrial truck, comprising: at least one rechargeable battery (210) for supplying at least a vehicle component (2) of the vehicle (1), a charging component (50) for mechanically (52) and electrically (53) charging connection with an external charging device (310) to charge the battery (210) through the charging device (310) in a state of charge, a safety device (60), which is arranged at least partially in the area of the charging component (50), for detecting the mechanical charging connection of the charging component (50) with the charging device (310), so that a safety interruption of the power supply of the vehicle component (2) can be performed in the charging state.

Abstract: A cabled receptacle connector includes a receptacle housing and a cable assembly received in the receptacle housing. The cable assembly includes a support frame supporting first and second mating contacts have mating ends for electrical connection with a pluggable module. The cable assembly includes cables with conductors electrically connected to the first mating contacts. The cable assembly includes jumper contacts coupled to the support frame electrically connected to the second mating contacts. The jumper contacts include mounting ends mounted to a host circuit board. First electrical paths are defined between the pluggable module and a remote electrical component by the first mating contacts and the cable conductors. Second electrical paths are defined between the pluggable module and the host circuit board by the second mating contacts and the jumper contacts.

Abstract: Connector apparatus having a female connector assembly and a male connector assembly. The female connector assembly includes a female housing, a connector position assurance (CPA) member for assuring the engagement of the male connector assembly with the female connector assembly, and a first terminal position assurance (TPA) member for assuring that terminals for the female connector assembly are positioned properly. The female housing further includes a connector latch used to securely hold together a connector apparatus. The female housing has TPA protection ribs and CPA protection walls. The male housing has TPA protection ribs.

Abstract: An electrical connector comprises a housing having a receiving passage and a conductive terminal inserted and removably mounted in the receiving passage in an insertion direction. The conductive terminal includes a body portion having a first end and a second end opposite to the first end, a clamping portion disposed at the first end of the body portion and configured to clamp a wire of a cable, and a spring locking portion disposed on the body portion and obliquely extending from the body portion in a direction away from the body portion toward the second end. The locking portion is configured to engage a bottom wall of the receiving passage. The engagement of the locking portion with the bottom wall of the receiving passage is released by driving the locking portion with an external tool inserted in the insertion direction.

Abstract: Electrical connector with low profile connector position assurance (CPA) member for assuring the engagement of a female housing with a male housing. The female housing forms apertures designed to stably and securely receive the low profile CPA member. Also, the female housing includes a connector latch used to securely hold together the female housing and the male housing.

Abstract: An electrical connector assembly includes: an electrical connector including a terminal module, a shielding shell enclosing the terminal module, an insulative cover enclosing the shielding shell, and a sealing member disposed at a front portion of the insulative cover; and an outer housing accommodating the electrical connector, wherein the insulative cover has a plurality of humps engaging an inner surface of the outer housing, and the sealing member is compressed between the front portion of the insulative cover and the inner surface of the outer housing.

Abstract: A power interface may include a housing and a connection body. The housing has an inner wall defining a stopping groove. The connection body is disposed in the housing and includes a first encapsulation portion and a plurality of pins spaced apart. The pins are wrapped by the first encapsulation portion, and a partial outer face of each of the pins is exposed by the first encapsulation portion. The first encapsulation portion is connected to the housing. The first encapsulation portion is made from polyamide resin and has an engaging flange arranged adjacent an end of the pins, and the engaging flange is engaged in the stopping groove.

Abstract: A shielded coaxial termination device includes a center conductor having a front end and a barrel encircling the center conductor. The barrel includes a front end and an annular sidewall defining an interior configured to receive and electrically couple with a coaxial post. A shield, having a front end and an opposed rear end, is mounted to the barrel so as to deploy from a retracted position toward an advanced position to radially cover the center conductor when the barrel is not fully installed on a coaxial post.

Abstract: A connector assembly (10) is disclosed in which a connector part (12) and a cable manager part (20) are provided. The cable manager part (20) can be provided with a housing assembly (70, 170, 270, 370) that contains a pair of clamp members (74, 174, 274, 374) that function together to ensure a grounded connection between the connector assembly (10) and a conductive element (5) of a cable (4).

Abstract: A power interface may include a housing and a connection body. The housing has an inner wall defining a stopping groove. The connection body is disposed in the housing and includes a first encapsulation portion and a plurality of pins spaced apart. The pins are wrapped by the first encapsulation portion, and a partial outer face of each of the pins is exposed by the first encapsulation portion. The first encapsulation portion is connected to the housing. The first encapsulation portion has an engaging flange arranged adjacent an end of the pins, and the engaging flange is engaged in the stopping groove.

Abstract: A power interface may include a housing and a connection body. The housing has an inner wall defining a stopping groove. The connection body is disposed in the housing and includes a first encapsulation portion and a plurality of pins spaced apart. The pins are wrapped by the first encapsulation portion, and a partial outer face of each of the pins is exposed by the first encapsulation portion. The first encapsulation portion is connected to the housing. The first encapsulation portion has an engaging flange arranged adjacent an end of the pins, and the engaging flange is engaged in the stopping groove.

Abstract: A power interface may include a housing and a connection body. The housing has an inner wall defining a stopping groove. The connection body is disposed in the housing and includes a first encapsulation portion and a plurality of pins spaced apart. The pins are wrapped by the first encapsulation portion, and a partial outer face of each of the pins is exposed by the first encapsulation portion. The first encapsulation portion is connected to the housing. The first encapsulation portion is made from polyamide resin and has an engaging flange arranged adjacent an end of the pins, and the engaging flange is engaged in the stopping groove.

Abstract: The present disclosure provides improved fiber optic connector assemblies (e.g., high density fiber optic cassette assemblies) for use in communication systems, and improved methods for using the same. More particularly, the present disclosure provides advantageous systems/methods for the design and use of media patching systems having fiber optic connector assemblies that include a sliding securement member. The fiber optic connector assemblies are easily secured and/or unsecured to or from a media system (e.g., to or from a panel member of a media system). The present disclosure provides for improved systems and methods for easily securing and/or unsecuring fiber optic connector assemblies to or from a panel member or the like by utilizing advantageous connector assemblies that include a sliding securement member, and related assemblies.

Abstract: An electrical connector includes an insulative housing, a plurality of contacts, a plurality of wires and a locking mechanism. The insulative housing has a first side and a second side. The locking mechanism comprises a rotating member and a fastener, the rotating member has a pair of opposite rotary arms rotatably connected to the insulative housing and an holding arm, and the fastener is arranged on an inner side of the holding arm, the rotating member has a first status and a second status which can be switched by rotation, while the rotating member in the first status, the electrical connector and the complementary connector can be freely plugged in or separated from each other, and while the rotating member being rotated to near or in the second status, the fastener rotates or shifts to achieve a locking of the electrical connector and the complementary connector.

Abstract: The present invention discloses an industrial connector and a connecting structure. The industrial connector comprises a holder and a plug matingly connected to the holder, wherein the holder comprises: a hollow connecting cylinder; a connecting base fixed around an opening of the connecting cylinder; a buckle plate and an elastic component fixed within the connecting base, with buckles embedded into the connecting cylinder being provided on the buckle plate; and an elastic component which is connected to the buckles and used for driving the buckle plate to translate along the plane of the opening. The industrial connector provided by the present invention is easy to mount and reliable in connection.

Abstract: An exemplary charge port covering assembly includes, among other things, a biasing device configured to move to a first position when a charger is decoupled from a charge port, and to a second position when the charger is coupled to the charge port. A charge port door is moveable to a closed position when the biasing device is in the first position, and is held in an open position when the biasing device is in the second position. An exemplary charge port covering method includes, among other things, biasing a charge port door toward an open position with a biasing device in a first position, and moving the biasing device from the first position to a second position to close the charge port door.

Abstract: A method of making a reduced-depth rack server includes: forming a tray structure of a carrier having a service panel attached to two opposed side panels and a bottom panel; inserting a longest dimension of a data storage device in a sideways orientation with at least one electrical connector of the data storage device proximate to a selected lateral panel; electrically connecting a first electrical connector of an interposer cable to the at least one electrical connector of the data storage device; and attaching a second electrical connector attached to one of the tray structure and the data storage device directed towards an insertion end of the data storage assembly in an orientation opposite to the service panel and aligned to electrically connect with a backplane of a reduced-depth rack server in response to the tray structure being inserted in a rack server chassis.

Abstract: An electrical connector assembly includes a plug with a plug body having a contact holder portion and an annular locking ring attached to the plug body. An elastic element holds the locking ring in a rest position. The locking ring has a first recess at a first end that creates a guide surface. The assembly also includes a mating connector having a plug-receiving portion configured to receive the contact holder portion of the plug. The plug-receiving portion includes a collar having a projection which, when mating the electrical plug and mating connector, engages the guide surface and rotates the locking ring. The locking ring has a second recess at a second end. The projection and the second recess are in a plane perpendicular to the plug-in axis in fully assembled state. The spring force rotates the locking ring and locks the plug body with the plug-receiving portion.

Abstract: A contact carrier can be inserted into the contact carrier and removed again by a slight elastic deformation of a holding element, a detent engagement action of a detent of the holding element with a further detent of a main body of the contact carrier can be released. A particularly simple mounting and dismounting of a contact element in the contact carrier is realized. The contact carrier is constructed such that the holding element and the contact element can be inserted into the main body from an attachment side which is situated opposite a plug-in side.

Abstract: In exemplary embodiments, wiring harness assemblies for electrical equipment and related methods are disclosed. In an exemplary embodiment, a wiring harness assembly for electrical equipment generally includes a first connector configured for connecting to a wiring harness, a second connector configured for mounting to a panel, and one or more conductors connecting the first connector with the second connector.

Abstract: An expandable socket for attachment to a portable media player or a portable media player case. The expandable socket generally includes a platform, a skin coupled to the platform, a button coupled to the skin opposite the platform, and a biasing element. The skin includes an outer wall, an inner wall spaced radially inward of the outer wall, and a cavity defined by the inner wall, wherein the skin is deformable between a collapsed configuration and an expanded configuration. The biasing element is arranged within the cavity of the skin between the platform and the button, such that the biasing element is at least partially surrounded by the inner wall of the skin. The biasing element is configured to bias the skin into the expanded configuration.

Abstract: A connector may have a housing having a housing part housing a flat cable, and a mounting member mounted to the housing for locking the flat cable. The mounting member may have a mounting part mounted to at least one of the housing and a circuit board, an elastic part extending in a width direction of the flat cable, an extending part extending in the width direction of the flat cable, and an engaging part engaging with an engaged part formed on the flat cable. The mounting part may be connected to an end part in the width direction of the elastic part. An intermediate region of the extending part may be connected to an intermediate region in the width direction of the elastic part. The engaging part may be connected to an end part in the width direction of the extending part. The elastic part may be elastically deformable in a thickness direction of the flat cable.

Abstract: An electrical switch device features a switch module housing that fits at least partially within an in-wall electrical box. The housing contains electrically controlled switches and has line and neutral contacts carried for each of the electrically controlled switches to enable connection of a different respective load circuit across each electrically controlled switch. A control panel is mountable over an open front of the in-wall electrical box and the housing therein, and has a user-interface for operation of the switch module to control the electrically controlled switches and connected loads. The control panel is sized to fully cover the open front of a multi-gang electrical box, whereby the same switch module and control panel are usable with either a single-gang or multi-gang electrical box without leaving any portion of the open front of the single-gang or multi-gang electrical box uncovered by said control panel.

Abstract: A motor case (10) has connectors (30) fixed at motor case mounting holes (11), and an inverter case (50) has connectors (60) radially movable at inverter case mounting holes (65). The inverter case (50) is mounted on the motor case (10) so that the connectors (30, 60) fit together. A surface seal (45) is disposed on a lower surface of a flange (42) at an outer periphery of a housing (35) of the motor-side connectors (30), and is compressed elastically against an upper surface of the motor case (10) at an outer periphery of the motor case mounting holes (11). A metal pressing member (20) is fixed on the motor case (10) and presses the flange (42). An axial seal (47) is fit on the outer periphery of the housing (35) and is compressed elastically between the outer periphery and an inner periphery of the second mounting hole (65).

Abstract: A light emitting device and a holder thereof are provided, the light emitting device comprises a light emitting module, a holder, and a heat dissipate member formed with fastening holes in a surface thereof. The light emitting module comprises a substrate, a light emitting package, and at least two contact pads. The holder comprises a body, a bracket, at least two terminals pressed against the corresponding contact pads, and at least two latching members. The body has a top surface, a bottom surface, and a receiving opening and a plurality of fixing holes which penetrate through the top surface and the bottom surface. The receiving opening comprises an upper opening and a lower opening formed in the bottom surface of the body. The bracket is connected with the body and provided to the receiving opening for the light emitting module to abut against.

Abstract: A connector assembly includes an outer contact and a cavity insert. The outer contact has a mating segment, a terminating segment, and a middle segment therebetween. The mating segment is configured to engage a mating outer contact of a mating connector assembly. The terminating segment is configured to be terminated to a cable. The cavity insert surrounds the middle segment of the outer contact. The cavity insert has an overmold body. An interior surface of the overmold body engages an exterior surface of the outer contact and follows contours of the exterior surface along the middle segment.

Abstract: In exemplary embodiments, wiring harness assemblies for electrical equipment and related methods are disclosed. In an exemplary embodiment, a wiring harness assembly for electrical equipment generally includes a first connector configured for connecting to a wiring harness, a second connector configured for mounting to a panel, and one or more conductors connecting the first connector with the second connector.

Abstract: This application is directed to a waterproof power adapter, which includes: a waterproof housing enclosing an AC to DC converter having an AC power supply input and a DC power supply output; a fixed, waterproof AC power connection for coupling an external power supply to the AC power supply input; a female connector, a portion of which is coupled within the housing to the DC power supply output, and an exposed portion of which is configured to couple a DC voltage provided at the DC power supply output to a complementary and separate male connector, the exposed portion being exposed when not coupled to the male connector; a sealing structure configured to engage with a cover of the male connector in a sealed position to provide a waterproof environment; and a locking mechanism configured to releasably tighten and lock the cover of the male connector in the sealed position.

Abstract: The present disclosure is directed to an improved energy storage system. The energy storage system includes an energy storage device having positive and negative terminals, a battery management system configured to monitor and control the energy storage device, and a power connector configured to electrically couple the battery management system with the energy storage device. The power connector includes a housing and positive and negative bus bars, each containing a positive and negative interface pin, respectively. The interface pins are operatively coupled to the positive and negative terminals of the energy storage device to form a power connection. The housing contains separate, opposing side walls defining an open passageway therebetween. Thus, the open passageway provides air cooling across the power connection.

Abstract: A connector includes: a locking lever; a switching mechanism that includes a switch configured to generate a signal capable of establishing conduction between the connector and an inlet when operated by the locking lever and is arranged so as to be movable between a first position and a second position; an outer shell configured to accommodate the locking lever and the switch therein; a cover including a cover-side protrusion and being arranged on the outer shell so that at least a part of the cover is exposed to an outside of the outer shell; and a movable-plate-side protrusion arranged in the switching mechanism and configured to retain the switching mechanism at the first position through contact with the cover-side protrusion. The locking lever includes an operating portion capable of operating the switch.

Abstract: A small, low-profile plug connector for use with electronic devices provides a latching member with a pair of hooks that engage mating holes in a guide frame, and which can be easily disengaged from the guide frame or opposing connector or housing. The connector includes an elongated actuator interposed between the connector housing and latching member and the actuator terminates in a cylindrical cam member that is captured in a recess on the connector housing such that rearward movement of the actuator imparts a raising action to the latching member.

Abstract: An on-board charger for an eco-friendly vehicle includes a timer-type control pilot (CP) detection circuit, which is connected to electric vehicle supply equipment (EVSE) using a connector, that: i) detects a CP signal transmitted from the EVSE as an input signal via the connector, ii) outputs the CP signal as a direct current (DC) signal recognized as DC, and iii) allows an on-board charger (OBC) control circuit to control a charge to be maintained in a turned-on state by the DC signal.

Abstract: A cable connector includes a body member having a first opening to receive a cable and a second opening. An indicator is movable between first and second positions. A stop member substantially prevents unintended movement of the indicator from the first position to the second position. The indicator moves past the stop member and through the second opening in the body member when moving from the first position to the second position and is exposed externally of the body member to indicate full insertion of the cable.

Abstract: Reverse polarity protection for plug-in connectors comprising two intermateable plug-in connector parts (100, 200), wherein the one plug-in connector part (100) comprises a first coding element and the other plug-in connector part (200) comprises a second coding element and wherein the two coding elements are matched to each other in such a manner that when the plug-in connector parts (100, 200) are arranged correctly they make a plug-in connection possible and that when the plug-in connector parts (100, 200) are not arranged correctly prevents a plug-in connection, characterized in that the one coding element is a groove (110) extending in the mating direction and having a trapezoid-shaped cross-section, and that the other coding element is a coding rib (210) that is extending in the mating direction and that is formed in a U-shaped manner with elastically bendable walls (212, 213) that are arranged in a U-shaped configuration.

Abstract: A plug connector includes a case and a securing portion located in the case. The case is configured to receive a coupling end of a socket connector and includes two opposite sidewalls. The securing portion has a plurality of resilient pins configured to electronically couple to the socket connector. An inner surface of each sidewall is configured to abut against a side surface of the coupling end. Each sidewall defines a positioning slot extending outwardly from the inner surface of the sidewall. The positioning slot is configured to engage a positioning block extending from the coupling end. A socket connector matched to the plug connector and a connector assembly including the plug connector and the socket connector are further provided.