A safety plug assembly includes a connector configured to be inserted behind a front plate of an electrical outlet. The connector comprises a first body member including a central axis, a first side, and a second side radially opposite the first side with respect to the central axis. The first body member includes a ramped surface that extends from the first side to an abutment surface. A thickness of the first body member tapers when moving along the ramped surface from the abutment surface toward the first side. In addition, the safety plug assembly includes a safety plug coupled to the connector. The safety plug comprises a plug member that is configured to be inserted within a contact opening of the electrical outlet.