Switch With Neon Light White Dual Immerssion 1 gang Standard bakelite-fitting switch 6 square core twin + earth cable Fittings included Powermaster Dual Immerssion Switch With Neon | 1521-40 The Powermaster Dual Immersion Switch - 1 Gang with neon is a standard white, bakelite, flush fitting switch for use with 6 square core twin and earth cable. It fits 35mm and 47mm single size backing boxes and is complete with screws. The pack contains one switch and has hassle free, easy to open polyurethane packaging. It requires standard installation tools and should only be installed by a competent, qualified person. It is CE approved.