A board-to-board plug, comprising an insulating seat (20) integral to a metal insert (30), several signal terminals (40) arranged inside the insulating seat (20), and a shielding housing (10) coated outside the insulating seat (20). The insulating seat (20) comprises an engagement end (21) provided with terminal slots (214), terminal blocks (24) formed by extending from the engagement end (21) to the rear direction, and a pair of extension arms (22) formed by extending from both transverse sides of the terminal block (24) to the rear direction. The metal insert (30) comprises a board body portion (31) formed between a pair of extension arms (22), and several grounding terminals (37) bent from the front end of the board body portion (31) and extending into the terminal slots (214). The grounding terminals (37) and the signal terminals (40) are arranged at intervals.

A wire-clamping connector is provided. The wire-clamping connector includes a housing and a contact element. The housing includes a through hole. The contact element is disposed in the housing, and includes a bottom plate structure and an elastic sheet body. The bottom plate structure is disposed opposite to a top wall of the housing, and includes a protruding portion that has a contact surface. A terminal portion of the elastic sheet body is fixed to the top wall, and the elastic sheet body has an acute-angular structure configured to be adjacent to the contact surface. An insertion interval is defined between the acute-angular structure and the contact surface. A wire core of a wire inserted in the through hole enters the insertion interval and is clamped together by the acute-angular structure and the contact surface, and an elastic restoring force is generated by the pressed elastic sheet body.

A conductor connection terminal with an insulating material housing having a conductor insertion opening for inserting an electrical conductor in a conductor insertion direction, with a busbar and a clamping spring, wherein the clamping spring has a clamping leg and wherein the clamping leg and the busbar form a clamping point for the electrical conductor to be clamped. The insulating material housing has a base side, wherein the base side is arranged adjacent to the side of the busbar facing away from the clamping point and wherein the base side has an opening, wherein on the side of the busbar facing away from the clamping point, two contact tabs protrude from the busbar, wherein the contact tabs are designed to contact a second electrical conductor between the contact tabs, wherein the second electrical conductor can be led through the opening of the base side between the contact tabs.

A safety ground terminal apparatus can include a ground terminal operable to switch between a common ground connection or a isolated ground connection, wherein the ground terminal comprises a hinge point that is connectable to a base of a housing via a rail in an arrangement that allows for a disconnection from the common ground connection when the isolated ground connection is required and without compromising electrical contact. The ground terminal can provide a watertight ground connection irrespective of the type of ground connection requirement. The common ground connection or the isolated ground connection can be achieved without any additional parts assembled.

An apparatus may include (1) a terminal connector configured to be electrically coupled to a power interface of a computing device, (2) an inline terminal block assembly that is independent of the terminal connector, (3) at least one terminal-side power cable configured to be electrically coupled between the terminal connector and the inline terminal block assembly, and (4) at least one distribution-side power cable configured to be electrically coupled between the inline terminal block assembly and a power distribution system.

An apparatus may include (1) a terminal connector configured to be electrically coupled to a power interface of a computing device, (2) an inline terminal block assembly that is independent of the terminal connector, (3) at least one terminal-side power cable configured to be electrically coupled between the terminal connector and the inline terminal block assembly, and (4) at least one distribution-side power cable configured to be electrically coupled between the inline terminal block assembly and a power distribution system.

A connection arrangement for connecting an electrical conductor includes: a busbar; a clamping spring by which the conductor to be connected is clamped in a clamping position of the clamping spring against the busbar; and an actuating element by which the clamping spring can be moved from the clamping position into an open position. A holding element is provided which, in the open position, engages with the actuating element to hold the actuating element in position. The holding element has a pressure surface. For moving the clamping spring from the open position into the clamping position, the pressure surface can be actuated by the conductor to be connected and the holding element can be disengaged from the actuating element by the actuation of the pressure surface.

A coupling system establishes an electric connection between two electric components. The first component is positioned in a housing and includes at least one busbar, and the second component is disposed outside the housing and includes at least one current connection. An electrically conductive connection can be established between the busbar and the current connection by the coupling system. The coupling system includes a plug insert which can be plugged into the housing. The plug insert includes an insulator part, in which a sleeve and a washer nut are fixed. The insulator part has a recess which is formed in such a way that the busbar can be moved between the sleeve and the disc nut through the recess. A plug insert for a coupling system is also provided.

The present disclosure provides a connector, which relates to the technical field of electrical connection devices, so as to solve the problem of poor connection stability of connectors in existing technologies. The connector includes a mounting base and a binding post, wherein the binding post has both sides symmetrically provided with a fixed fin, the mounting base defines thereon a mounting groove for mounting the binding post, two sides of the mounting groove define a limit groove, and the fixed fin is clamped in the limit groove so as to enable the binding post to be limited to the mounting groove. The connector according to the present disclosure has good connection stability and can effectively transmit current or signal, enabling an effective cooperation between connected devices.

A power feeder device can include a base having a mounting portion and a plurality of connector structures extending from the mounting portion and spaced apart relative to each other to form a respective gap therebetween. Each connector structure can be configured to receive a respective pair of terminals to electrically connect the respective pair of terminals within connector structures and to block a line of sight between adjacent pairs of terminals. The device can also include a cover configured to mate with the base to enclose each of the plurality of connector structures and to increase a length of a creepage path between each pair of terminals by at least partially inserting into each gap between the connector structures. The base and the cover can be configured to form a terminal opening on each lateral side when assembled to allow pass-through of a conductor and/or portion of each terminal. In certain embodiments, at least one of the terminals of the respective pair of terminals can be a bus bar extending from a bus bar chassis and the base and/or the cover can form a creepage barrier that extend into a chassis wall opening of the bus bar chassis to increase a length of a chassis creepage path from the respective pair of terminals to the bus bar chassis.