Abstract: A leadless ballast and a mounting assembly therefor comprises a ballast housing having a length and a width, and including a top face, a bottom face, left and right side faces, and first and second end faces. The first end face has a plurality of male electrical connectors extending outwardly therefrom with the electrical connectors being electrically coupled to a conventional-ballast component within the ballast housing. The ballast housing is receive in a mounting bracket configured for complementary engagement with the ballast housing. The mounting bracket has a width and length approximately equal to the length and width of the ballast housing. The mounting bracket includes left and right side walls and a front wall which are contiguous and normal to the base. The front wall includes a plurality of female sockets adapted for mated engagement with the male connectors which terminate in jacks extending through the front walls.