Abstract: The invention relates to a device for connecting a lighting unit driver (3) to a voltage supply, having a plug (1) comprising: an electric connection terminal (12) for a current supply cable; a housing (11) for receiving the electric connection terminal (12); a plug element (14) on one side of the housing (11) for producing a plug connection, wherein the plug element (14) is electrically connected to the electric connection terminal (12); and a corresponding plug element (2) which is formed directly on a housing (4) of the lighting unit driver (3) and corresponds to the plug element (14) in order to allow a form-fitting and electrically conductive plug connection between the plug element (14) of the plug (1) and the corresponding plug element (2).