Abstract: An electrified space dividing panel system having a panel member, a raceway, a modular electrical system disposed in the raceway, and raceway covers for gaining access to the electrical system. The modular electrical system includes a single terminal block having end and side sockets, with first and second electrical receptacles being respectively removably engaged with the end socket and side sockets such that the first and second electrical receptacles are disposed in horizontally spaced side-by-side relation and project outwardly for predetermined like dimensions through receptacle openings in one of the raceway covers. In a preferred embodiment the raceway includes a web having an opening which cooperates with a support ear on the first receptacle during engagement of the first receptacle with an end socket to provide additional lateral support for the first electrical receptacle when an electrical plug is removed therefrom.