An electric connector connectable to a mating electric connector includes and inner part, an outer part and a self-locking mechanism. The inner part is adapted to be connected to an electrical conductor. The outer part is adapted to connect to the mating electric connector. The inner and outer parts are connected coaxially and rotatably to one another. The self-locking mechanism selectively blocks rotation of one of the inner or outer parts with respect to the other one of the inner or outer parts in a first circumferential direction, and permits rotation of one of the inner or outer parts with respect to the other one of the inner or outer parts in a second circumferential direction opposite the first circumferential direction.

An electric connector connectable to a mating electric connector includes and inner part, an outer part and a self-locking mechanism. The inner part is adapted to be connected to an electrical conductor. The outer part is adapted to connect to the mating electric connector. The inner and outer parts are connected coaxially and rotatably to one another. The self-locking mechanism selectively blocks rotation of one of the inner or outer parts with respect to the other one of the inner or outer parts in a first circumferential direction, and permits rotation of one of the inner or outer parts with respect to the other one of the inner or outer parts in a second circumferential direction opposite the first circumferential direction.

A secure locking and unlocking system includes a plug body that is cylindrical in shape, a locking ring and a notched washer. One face of the notched washer is positioned on the locking surface of the locking ring. The system further includes a holding pin that locks the position of a locking element and an upper ring mounted on the locking ring. The locking ring includes a ramp-shaped groove with a linear part, a rising ramp and a descending ramp. A ramp spring is configured so that the locking or unlocking movement of the upper ring is mobile and the locking ring is fixed. The upper ring includes a hole in which a lug is placed. The end of the lug cooperates with the ramp-shaped groove of the locking ring that guides the upper ring in relation to the locking ring.

A secure locking and unlocking system includes a plug body that is cylindrical in shape, a locking ring and a notched washer. One face of the notched washer is positioned on the locking surface of the locking ring. The system further includes a holding pin that locks the position of a locking element and an upper ring mounted on the locking ring. The locking ring includes a ramp-shaped groove with a linear part, a rising ramp and a descending ramp. A ramp spring is configured so that the locking or unlocking movement of the upper ring is mobile and the locking ring is fixed. The upper ring includes a hole in which a lug is placed. The end of the lug cooperates with the ramp-shaped groove of the locking ring that guides the upper ring in relation to the locking ring.

A connector assembly that includes a first connector and a second connector. The first connector has a spring member press-fitted into a housing thereof. The second connector has a groove in a housing thereof. At the time of mating, the spring member is inserted in the groove in a mating direction to be deformed elastically in a direction intersecting the mating direction. Then, with the spring member of the first connector elastically deformed in the groove of the second connector, looseness between the housing of the first connector and the housing of the second connector is prevented.

An electrical device includes first and second terminals and a terminal holder holding the first and second terminals. A first insulation layer is provided between the first and second terminals and a second insulation layer is provided between the first and second terminals. The first and second insulation layers are different materials. The first insulation layer is a base layer and the second insulation layer is a high arc tracking resistance rated layer on the base layer to discourage arc tracking on the first insulation layer.

An electrical connector is provided that includes a plurality of electric cables. A first adapter is configured to receive the electrical cables. The first adapter protects the electrical cables and allows for an electrical connection between the electrical cables and a plurality of electrical pins. A second adapter is coupled to the first adapter. The second adapter allows for an electrical connection between the electrical pins and a plurality of electrical terminals. A cable kit is provided that is at least partially housed within the second adapter. The cable kit has a plurality of projections extending therefrom. An insulator body is coupled to the second adapter. The insulator body includes a plurality of openings. Each of the openings has a tapered end portion configured to receive a corresponding one of the plurality of projections of the cable kit to form a mechanical seal with the cable kit.

An electrical connector is provided that includes a plurality of electric cables. A first adapter is configured to receive the electrical cables. The first adapter protects the electrical cables and allows for an electrical connection between the electrical cables and a plurality of electrical pins. A second adapter is coupled to the first adapter. The second adapter allows for an electrical connection between the electrical pins and a plurality of electrical terminals. A cable kit is provided that is at least partially housed within the second adapter. The cable kit has a plurality of projections extending therefrom. An insulator body is coupled to the second adapter. The insulator body includes a plurality of openings. Each of the openings has a tapered end portion configured to receive a corresponding one of the plurality of projections of the cable kit to form a mechanical seal with the cable kit.

An opening shield assembly including a body portion that includes a base plate having a front side and a back side and a passageway portion having a proximal end and a distal end. The passageway portion being connected to the base plate at the proximal end. The body portion also includes a passage extending from the distal end of the passageway portion to the back side of the base plate through the passageway portion and the base plate. The passageway portion is bent between the proximal end and the distal end to form a bend.

An opening shield assembly including a body portion that includes a base plate having a front side and a back side and a passageway portion having a proximal end and a distal end. The passageway portion being connected to the base plate at the proximal end. The body portion also includes a passage extending from the distal end of the passageway portion to the back side of the base plate through the passageway portion and the base plate. The passageway portion is bent between the proximal end and the distal end to form a bend.