Reverse connection prevention plug

The utility model relates to the technical field of power supply connection equipment, and specifically relates to an anti-reverse-connection plug. An anti-reverse-connection plug comprises a shell, the interior of the shell is hollow to form a cavity, the cavity is provided with a moving seat, sliding blocks are fixedly arranged on the left outer wall and the right outer wall of the moving seat, sliding grooves in sliding fit with the sliding blocks are formed in the inner wall of the cavity, the sliding grooves are of an L-shaped structure, and two electrode plates are symmetrically and fixedly arranged on the front wall of the moving seat; a protective sleeve is connected to the middle of the rear wall of the shell, a zero line and a live line are symmetrically arranged in the protective sleeve, the front end of the zero line and the front end of the live line penetrate through the rear wall of the shell and extend into the cavity, and an extrusion assembly is installed in the middle of the cavity. Accordi