Abstract: A suspended ceiling support system is formed of a grid having main runners (12) interconnected by cross runners (16) extending at right angles to the main runners and abutting the main runners at runner intersections. The cross runners are firmly and fixedly interconnected to one another and to the interposed main runner by means of a single connector clip (20) of uniform height throughout its length. The connector clip has end plates (120,124) that connect to opposite sides of the webs (34,144) of respective cross runners and an integral angulated intermediate section (140) extending through a vertical slot (110) in the main runner web (106). The cross runners are formed with opposing channels (40,52,42,54) that slidably receive upper and lower edges of the connector clip and each cross runner web has a hole (99) to receive a locking tongue (126,128) on the clip. Thus a single connector clip firmly and fixedly connects ends of two cross runners to each other and to the interposed main runner.