Fire control equipment; sprays (apparatus) being fire control equipment; apparatus for connecting electrical circuit components; apparatus for controlling the supply of electrical current; apparatus for electrical heat tracing; apparatus for electrical safety protection; apparatus for electrical signal transmission; apparatus for heavy current electrical engineering; apparatus for low power electrical engineering; apparatus for monitoring electrical components; apparatus for monitoring electrical instruments; apparatus for the control of power supply to electrically driven motors; apparatus for the transmission of electrical signals; electrical apparatus (other than generators) for use in energy supply; electrical apparatus for controlling machines; electrical apparatus for controlling the speed of motors; electrical apparatus for converting alternating current to direct current; electrical apparatus for measuring purposes; electrical apparatus for opening doors; electrical apparatus for security purposes (other than for vehicles); electrical apparatus for the distribution of electric power; electrical apparatus for the input of data; electrical apparatus for the output of data; electrical apparatus for use in regulation; electrical connection boxes; electrical control apparatus; electrical control apparatus being computer operated; electrical control panels; electrical control units for electrical appliances; electrical controllers for controlling the speed of motors; electrical controlling apparatus for motors; electrical controls; electrical converters; electrical displays; electrical distributing busbars; electrical distribution apparatus; electrical distribution boxes; electrical distribution cases; electrical distribution frames; electrical distribution installations; electrical indicating devices; electrical process control instruments; electrical push button panels; electrical push button switch assemblies; electrical push button switches; electrical push buttons being luminous; electrical push switches; electrical regulating apparatus; electrical signalling apparatus; electrical sockets; electrical switch assemblies; electrical switch boards; electrical switch boxes; electrical switch cabinets; electrical switchgear; electrical switching apparatus; electrical switching for monitoring devices; electrical switching instruments; electrical terminals; electrical terminals adapted to be connected to electrical connection leads; electrical terminals connected to electrical cables; electrical transformers; electrical transmitters; electrical trunking installations; electrical units for data conditioning; electrical units for signal conditioning; electricity boxes for electrical installations; housings for electrical apparatus; housings for electrical instruments; housings for electrical sub-assemblies; junction boxes for electrical circuits; junction boxes for electrical purposes; meters for measuring electrical current; sockets (electrical); speed reducers (electrical); speed regulators (electrical); switching boxes for use in electrical engineering; terminal boxes (electrical); transducer devices for converting incident electromagnetic signals to electrical signals