Coupler Yellow 2 Pin + Earth 16 amp 110V IP44 Rated Powermaster 110V 16 Amp 2 Pin + Earth Yellow Coupler | 1523-40 The Powermaster Coupler - CEE 110V 16A 2P+E has the degree of protection: IP44 - damp proof. It is rated current: 16A and voltage: 110V tools/transformers. Its casing is yellow plastic. The pack contains one plug and has hassle free, easy to open polyurethane packaging The socket is used to join a 16A 2P+E plug in a damp proof setting. It requires standard installation tools and should only be installed by a competent, qualified person.