Abstract: An electrical connector assembly includes a connector (1) and a placement, member (2) assembled on the connector to provide a vacuum suction surface. The placement member includes a main plate (20) having a substantially planar upper surface (200) and an opposite lower surface (201). A plurality of positioning legs (22) extends downwardly from the lower surface and adjacent to a pair of opposite edges of the main plate. Two U-shaped retaining portions (21) extend from another pair of opposite edges of the main plate. Each retaining portion has a beam (212) and a pair of projecting legs (210) extending downwardly from the beam. The pairs of projecting legs abut against the inner surfaces of connector sidewalls (31). The positioning legs fit in slots (310) defined in outer surfaces of the sidewalls.