Electrical switchgear and electric current transmission systems and parts and fittings thereof; Junction boxes; corrugated and rigid conduits for electrical services and connectors and fittings for all of the above, all being made of plastics; Electrical and electronic terminals; terminal strips, plug and socket connectors, clip-on electronic modules, all being terminals for electronic components; fittings in this class for the aforesaid terminals and terminal components; mounting rails, protective enclosures, test plugs, sockets, cross connectors, terminal markers, electric circuits, wire-end ferrules, all being parts and fittings for terminals or terminal components; all the aforesaid materials being manufactured from pressed, stamped, drawn, turned and cast components of metal and/or from pressed, injection moulded and cast components of thermosetting plastics and casting resin.