electrical push button switches; circuit switches; sensor switches; light switches; electric switches; electrical switches; electrical switch timers; switch panels (electric); switch points (electric); electrical switch boxes; electric breakers (switches); magnetic switches; electrical switch boards; electromagnetic switches; electrical switch cabinets; switch cabinets (electric); electrical switch assemblies; electrical switching instruments; electric switching apparatus; electrical distribution boxes; distribution boxes (electricity); lightning arresters; surge arresters; arresters; electric power units; electric batteries; electrical control panels; automated control panels; control panels (electricity); electrical push button panels; alarm panels; operation control panels (electric); electronic display panels; electrical control boards; computer controls; computer control units; electrical controls; electric control boxes; chips (integrated circuits); electric circuits; light sensors; electronic sensors; alarm sensors; electrical sensors; fire sensors; smoke sensors; flame sensors; humidity sensors; heat sensors; gas sensors; timers (control devices); time switches, automatic; alarms; alarm control apparatus; fire alarms; electric alarms for fire; electric alarms for smoke; fire extinguishing apparatus; fire extinguishing instruments; fire fighting appliances; fire detectors; fire control equipment; fire protection apparatus; surge protectors; batteries; battery chargers; battery packs; battery boxes; battery adaptors; battery testers; power supply devices (batteries)

fires; electric fires; fire control units; lights; light fittings; light projectors; lighting units; light assemblies