Circuit boards; Circuit breakers; Circuit cards; Circuit closers; Circuit distributors; Circuit fuses; Circuit openers; Circuit switches; Circuit testers; Circuit testing apparatus; Circuit testing instruments; Circuits (electric or electronic); Electric circuit interrupters; Electric circuit testers; Electric circuits; Electrical circuit boards; Electrical circuit breakers; Electrical circuit components; Electrical circuit control devices; Enclosures for circuit breakers; Electric control apparatus for lights; Electric control boards; Electric control boxes; Electric current control devices; Electric current distribution apparatus; Electric fuse boxes; Electric fuses; Electrical distribution apparatus; Electrical distribution installations; Electrical enclosures made from sheet steel; Electrical measuring apparatus; Electrical measuring instruments; Electrical meters; Electrical sockets; Electrical switch apparatus protected by synthetic covers; Electrical switch assemblies; Electrical switch boards; Electrical switch boxes; Electrical switch cabinets; Electrical switch timers; Electrical switches; Electrical terminals; Electronic apparatus for controlling access; Electronic control apparatus for lighting; Electronic controlled access security apparatus; Enclosed switchboards; Fuse blocks; Fuse holders; Fuse indicators; Fuse wire; Fused connection units; Fuses; Fuses for commercial premises; Fuses for domestic premises; Housings for electrical apparatus; Housings for electrical instruments; Ignition systems, electric, for igniting at a distance; Ignition terminals; Intercom apparatus; Light control apparatus; Light signalling apparatus for use by persons in emergencies; Light switches; Meters; Meters for measuring current; Meters for measuring electrical current; Meters for measuring electrical resistance; Meters for measuring electrical voltage; Motor control apparatus (electric); Motor control apparatus (electronic); Signalling apparatus; Signalling apparatus and instruments; Signalling apparatus for use in emergencies; Signalling apparatus using fluorescent lamps; Signalling buoys; Signalling equipment; Signalling instruments; Terminal controllers (electric); Terminals (connectors) for electric cables; Terminals (connectors) for electrical wiring; Terminals (electricity); Video intercom apparatus