Insulating materials; sheets, sleevings, wrappings and articles included in class 17 made wholly or principally of rubber, synthetic rubber, or of plastics materials for insulation, protection, jointing, coupling, sealing or for splicing purposes, sealants and mastics, and sheets, sleevings and wrappings lined or coated with sealant, mastic or adhesive substances

Scientific, electrical, telegraphic and telecommunications apparatus and instruments; apparatus and instruments for measuring, signalling, checking (supervision), detecting or locating purposes; alarms; insulated electric wire and cables, and assemblies thereof, optical fibres and cables made from optical fibres, all for electrical, telegraphic and telecommunication purposes; electric resistance coils resistors, thermistors and electric conductors; thermostats, switches; sheaths; conduits; junction boxes; connections; plugs; terminals and sockets, all being for electrical purposes, or for use with optical fibres; parts and fittings included in class 9 for all the aforesaid