A plug connector includes an insulating housing, a plurality of detecting terminals, a plurality of connection terminals, an outer shell and at least one ground piece. The insulating housing has a plurality of connection terminal grooves and a plurality of detecting terminal grooves. The plurality of the detecting terminals are assembled in the plurality of the detecting terminal grooves separately. The plurality of the connection terminals are assembled in the plurality of the connection terminal grooves separately. The outer shell surrounds the insulating housing. A top surface of the outer shell protrudes upward and then is bent frontward to form a locking portion. The at least one ground piece is mounted to at least one side of the insulating housing, and a portion of the at least one ground piece is exposed outside from the insulating housing and the outer shell. A receptacle connector is to receive the plug connector and includes a sliding block to cover the detecting terminals and to be raised by the plug connector as it is inserted.

A first connector including a pair of male terminals of which axial directions of rod-like bodies having a circumferential surface are aligned in the same direction and which is arranged at an interval, a conductive coupling member which couples one ends of the respective male terminals in the axial direction to each other, and a first housing which includes a male terminal housing chamber for each male terminal and a holding mechanism which holds the coupling member the male terminal includes a rod-like body having a male terminal fitting portion to be inserted and fitted into the female terminal on the other end and a spherical turning fulcrum body which is provided at the one end and enables the turn with respect to the coupling member in the male terminal housing chamber about the one end as a fulcrum.

A first connector including a pair of male terminals of which axial directions of rod-like bodies having a circumferential surface are aligned in the same direction and which is arranged at an interval, a conductive coupling member which couples one ends of the respective male terminals in the axial direction to each other, and a first housing which includes a male terminal housing chamber for each male terminal and a holding mechanism which holds the coupling member the male terminal includes a rod-like body having a male terminal fitting portion to be inserted and fitted into the female terminal on the other end and a spherical turning fulcrum body which is provided at the one end and enables the turn with respect to the coupling member in the male terminal housing chamber about the one end as a fulcrum.

Apparatus are disclosed for vehicle connectors for monitoring connection with trailer connectors. An example connector of a vehicle for coupling a trailer to the vehicle includes a wall defining a cavity to receive a trailer connector, a seal to engage the trailer connector when the cavity receives the trailer connector, and a first trailer-connection sensor disposed in the seal to monitor engagement of the trailer connector with the seal to identify a secure connection with the trailer connector.

Apparatus are disclosed for vehicle connectors for monitoring connection with trailer connectors. An example connector of a vehicle for coupling a trailer to the vehicle includes a wall defining a cavity to receive a trailer connector, a seal to engage the trailer connector when the cavity receives the trailer connector, and a first trailer-connection sensor disposed in the seal to monitor engagement of the trailer connector with the seal to identify a secure connection with the trailer connector.

A plug with an interlock contact is disclosed. The interlock contact is arranged on a movable contact locking element of the plug. The interlock contact is arranged in an intended mating position when the contact locking element is arranged in an intended locking position. The interlock contact is arranged in the plug-in position and is pluggably aligned with a mating contact of a header matching the plug when the plug is aligned with the header, and the interlock contact electrically contacts the mating contact when the plug is plugged together with the header.

A traction battery assembly according to an exemplary aspect of the present disclosure includes a traction battery, an electric machine, an electrical harness assembly, a protrusion adjacent the electrical harness assembly. The protrusion is configured to move from a first position to a second position in response to a loading event. When the protrusion is in the first position, the electric machine is electrically coupled to the traction battery through the electrical harness assembly. When the protrusion is in the second position, the electric machine is electrically decoupled from the traction battery.

Provided is an electric conduction system and a male terminal that prevent arc discharge by cutting off power supply prior to the occurrence of arc discharge. The male terminal is connected to the female terminal of the electric conduction apparatus, and power is supplied from the electric conduction apparatus. The male terminal includes a first resistance portion having a resistance value R1 on its rear-end side and a second resistance portion having a resistance value R2 on its front-end side. Accordingly, the resistance value of the power supply path varies depending on the amount the male terminal is inserted into the female terminal. By determining whether the electric current amount varies in accordance with a change in the resistance value of the power supply path, the electric conduction apparatus can cut off power supply prior to the male terminal coming off the female terminal, thus preventing an arc discharge.

Provided is an electric conduction system and a male terminal that prevent arc discharge by cutting off power supply prior to the occurrence of arc discharge. The male terminal is connected to the female terminal of the electric conduction apparatus, and power is supplied from the electric conduction apparatus. The male terminal includes a first resistance portion having a resistance value R1 on its rear-end side and a second resistance portion having a resistance value R2 on its front-end side. Accordingly, the resistance value of the power supply path varies depending on the amount the male terminal is inserted into the female terminal. By determining whether the electric current amount varies in accordance with a change in the resistance value of the power supply path, the electric conduction apparatus can cut off power supply prior to the male terminal coming off the female terminal, thus preventing an arc discharge.

The present invention provides a receptacle connector including: a grounding portion configured to ground a connection object; and a ground connection terminal that is configured to be switchably held in a first state in which the ground connection terminal is electrically separated from the grounding portion, or in a second state in which the ground connection terminal is electrically brought into conduction with the grounding portion. The ground connection terminal is switched between the first state and the second state in operative association with interlining of the plug connector and the fitting portion. In the first state, the grounding terminal and the grounding portion are electrically separated. In the second state, the grounding terminal and the grounding portion are electrically brought into conduction with each other through the ground connection terminal.