Abstract: A female plug coupling having three plug openings to accommodate the current conductors and the ground conductor of a male plug coupling. The female plug coupling includes an insert constructed whereby all the crimp connections lie in a single plane to facilitate crimping on the conductor ends to the female plug coupling.

Abstract: A plug bridge for an electric appliance plug for connection of electric appliances to an outlet of an alternating current network, wherein the appliance plug is formed as a unit by the plug bridge joined to the end part of the appliance cord and enclosed by injection-molding, which unit consists of a form-stable insulating element for receiving and fixing the current conductor contact pins where the contact pins are integrated in insulating element apertures matching their cross section. The contact pins protrude relative to the plug bridge and the appliance plug sufficiently far for insertion in an electric outlet and are suited for connection, on lugs disposed inside the appliance plug contour and protruding relative to plug bridge plane, to the respective leads of the electric cord. The insulating element includes transverse to the plane of the contact pins a receiving aperture for insertion of an insert element supporting a ground prong.

Abstract: An electrical mating connector for connecting a safety plug have prongs connected to a plurality of conductors. The connector comprises a coupling body having an end face disposed on a surface thereof, a plurality of lugs disposed in the coupling body, and a protective insert movably mounted in the coupling body. The lugs respectively connect to a plurality of conductors and are set back at a predetermined distance from the coupling end face. The protective insert has a mating end face and a plurality of openings disposed on the mating end face and adapted to accept the prongs of the safety plug.

Abstract: A plug bridge for an electrical appliance plug having a pair of conductor pins in which the power cord leads are attached by a thermal joining process such as welding or soldering. Insertion channels are formed within the insulating element of the plug bridge to prevent portions of the power cord leads from contacting one another. The conductor pins are constructed from flat sections including a 90.degree. turn of a connecting portion for proper attachment of the power cord leads.