Self-sealing electrical plug and socket assembly for trucks

An electrical connector cooperable with a socket assembly mountable to an exterior surface of a wall of a first wheeled vehicle, selected from the group which includes truck tractors and truck trailers, the socket assembly having a barrel extendible through an opening in the wall into the interior of the first vehicle and in which is carried at least one male electrical terminal which extends at a first end thereof into a cavity at a first barrel end to define a socket cooperable with a cable plug by which the first vehicle can be electrically coupled to a second wheeled vehicle selected from that group, each male terminal at an opposite second end having associated with it at a second barrel end opposite the cavity a first moiety of a pair of male and female electrical connection moieties, the socket assembly also having a flange disposable around the opening on the exterior side of the wall, the connector comprising a body defining a sleeve having an open end and a closed end and matable around the socket assembly barrel second end, the body carrying at the closed end of the sleeve a second moiety of the pair of connection moieties for which there is a first moiety of the pair carried by the socket assembly barrel, the body at the sleeve open end defining a connector flange extending outwardly from the sleeve around the sleeve, the sleeve end the connector flange being deformable adequately to permit the connector flange to be passed through the aforesaid wall opening which is sized to receive and cooperate substantially closely with the sleeve.