A connector for a photovoltaic cell includes a conductive portion and an insulating portion, wherein the conductive portion is wrapped with the insulating portion; the conductive portion includes a conductor and a cable line, and a retaining ring is arranged on the outer circumferential surface of the conductor; the insulating portion includes a shell body, a basket-shaped fastener and a front sleeve; a first inner step surface and a second inner step surface are arranged in an inner cavity of the shell body; the front sleeve has an annular head part which sleeves the conductor; a first outer step surface is arranged at a tail part of the front sleeve, and props against the first inner step surface; the inner diameter of the head part of the front sleeve is larger than the outer diameter of the conductor and less than the outer diameter of the retaining ring.

A connecting terminal device may include: a bottom plate; a movable part provided on a rear surface of the bottom plate that is configured to be electrically connected to an external object as the movable part is pressed or raised; one or more protective walls provided on side surfaces of the bottom plate; pressing preventing parts provided at ends of the protective walls and provided between the bottom plate and the movable plate to restrict a pressing movement of the movable part; and rising preventing parts provided on side surfaces of the protective walls to restrict a rising movement of the movable part.

A spring-loaded terminal contact (3) for contacting electrical conductors having at least one busbar (7) and having at least one clamping spring (9) which has an abutment member (10), a clamping member (12) and a curved resilient member (11) which is arranged between the abutment member (10) and the clamping member (12) is described. The clamping member (12) extends in the direction toward the busbar (7) and has a resilient clamping edge (8) for clamping an electrical conductor which is introduced between the clamping member (12) and the busbar (7) in a conductor insertion direction (L). The busbar (7) has a clamping edge (6) which together with the resilient clamping edge (8) forms a clamping location for the electrical conductor which is intended to be clamped. The busbar (7) has a groove-like recess (14) in the conductor insertion direction (L) upstream of the clamping location adjacent to the clamping edge (6).

The electric connector includes a housing to be fit into a second electric connector, and a cylindrical hollow terminal making contact with a projecting terminal arranged in the second electric connector when the projecting terminal is inserted into the cylindrical hollow terminal, the housing and the cylindrical hollow terminal being formed integrally with each other by an insertion-molding process, the cylindrical hollow terminal being formed with a structure for preventing molten resin from flowing into an area at which the cylindrical hollow terminal and the projecting terminal make contact with each other while the inserting-molding process is being carried out.

A terminal block includes an insulating casing defining a recess receiving a conductive bar and a retaining spring. The conductive bar includes a base portion, a support leg attached to the base portion and a cooperating leg attached to the base portion. In a mounted position of the conductive bar and the retaining spring within the recess, the support leg engages with a support part of the retaining spring, and the cooperating leg is positioned to engage with a conductor inserted into a plug of the terminal block.

A varistor (50) comprising: a feed-through conductor (52) and a varistor disc (72) interposed between, and electrically connected to, conductor layers disposed on opposite surfaces of the varistor disc (72), the conductor layers being electrically isolated from one another; wherein the varistor disc (72) comprises a through aperture (60) through which the feed-through conductor extends; a first one of the conductor layers is electrically connected to the feed-through conductor; a second one of the conductor layers is, in normal use, permanently electrically connected to ground the varistor (50). This configuration enables one side of the disc (72) to be connected to the feed-through terminal, and the other side of the disc (72) to be connected to a ground plane, such as an earthed bulkhead of a wall or cabinet, via a metal plate forming part of the varistor (50) housing.

The present application provides a charging terminal applied in a charging socket and provides a charging socket, the charging terminal includes a main body, a first engagement part and a second engagement part; the first engagement part is configured to pluggably connect with a first mating terminal; and the second engagement part is configured to engage with a second mating terminal of an external charging device. In the charging terminal and the charging socket provided by the present application, when the charging terminal needs to be repaired due to damage, the first engagement part of the charging terminal may be detached from the first mating terminal to complete disassembly, and a first engagement part of an undamaged charging terminal is engaged and fixed in the first mating terminal, the process of which is simple in term of maintenance and reduces the maintenance cost.

An electrical connector adapted to be electrically connected with a mating terminal includes an outer housing, an inner housing, and an elastic terminal. The outer housing includes an outer cylindrical body, and an upper blocking disc and a lower blocking disc radially extending inwardly from opposite ends of the outer cylindrical body, the upper blocking disc has an outer through hole. The inner housing includes an inner cylindrical body and a mounting portion surrounding an outer periphery of the inner cylindrical body. The inner housing is formed with an inner through hole. The mounting portion is movably mounted in a space defined by the outer cylindrical body, the upper blocking disc, and the lower blocking disc. The elastic terminal is mounted within the inner cylindrical body and adapted to be electrically connected with the mating terminal inserted into the inner cylindrical body through the outer through hole and the inner through hole.

An interface assembly includes an interface housing including a receiving portion arranged inside an interface cavity of the interface housing, for receiving an electrical contact element. The interface housing further includes at least two latches and an electrical contact element for transferring electrical power. The electrical contact element includes a busbar portion and a plug-in portion. The busbar portion includes at least two latching noses. Each of the at least two latching noses is assigned to one of the at least two latches to block a release movement of the assigned latching nose upon mating of the electrical contact element and the interface housing.

An electrical connector includes a first plug-connection module and a second plug-connection module, and the first plug-connection module and the second plug-connection module fit with each other through a plug-connection in a first direction. The first plug-connection module includes a first housing component and a first wiring portion. The second plug-connection module includes a second housing component, a second wiring portion, and a sliding conductor. A locking mechanism and a trigger mechanism are disposed between the first plug-connection module and the second plug-connection module; and while the locking mechanism is in a locked state, the locking mechanism locks the sliding conductor and the first wiring portion, to keep the sliding conductor connected to the first wiring portion. An elastic reset member is disposed between the second housing component and the sliding conductor.