Newer 60A version, interchangeable with 50A PNL connectors. Drill 4 x holes for fixing (supplied with 15mm stainless steel bolts, spring washers and nuts for up to 10mm thick substrate) or use suitable self tapper screws for thicker substrates or hard to reach places. Blister pack for retail display with full installation instructions. Waterproof 1/4 turn cover cap when socket is not in use.