Plugs and Sockets Made to withstand severe environmental conditions. Our EMâ€™s range of plugs and sockets cater for industrial and commercial applications. The extensive range includes compact and economical options in panel, flush and surface mount options, available up to 525V and up to IP69 protection ratings. Extra heavy-duty, self-extinguishing and weatherproof plugs and sockets complete the offering. Products include; Industrial Plugs and Sockets, Industrial Switched Sockets, Installation, Multi Pole and Flat Blade Connectors, Weatherproof Plugs, Switches, Sockets and PV connectors.