Provided is an electrical connector for electrically connecting a plug assembly to a PCB. The electrical connector has a base mounted to the PCB, which has an upper surface and a lower surface opposite to the upper surface, a plurality of conductive contacts received in the base with partly extending above the upper surface, and a cover mounted on the upper surface of the base and having peripheral walls, a first and second surface. The base defines a plurality of incontinuous standoffs extending from the upper surface of the base.