Powerlet Low-Profile Powerlet Socket
Spring-loaded hinged lid. White-T connector uses 1/4" spade connectors on 9.00" leads. 18mm brass jam nut mounting. Rated at 15 amps, snap-fit and vibration proof.  Requires .6875" (11/16") hole and 1.00" behind the panel. Lid measures 1.075" in diam.