Intermediate Light Switch White 1 gang 10 amp Standard bakelite flush fitting switch 1.5 core twin + earth cable Fittings included Powermaster 1 Gang Single Intermediate Light Switch | 1798-30 The Powermaster Intermediate Switch - 1 Gang is a standard white, bakelite flush fitting switch for use with 1.5 core twin and earth cable. It fits standard single size backing boxes and comes complete with screws. The pack contains one switch and has hassle free, easy to open polyurethane bag packaging. It requires standard installation tools and should only be installed by a competent, qualified person. It conforms to BS standard 60669-1.