Plugs, sockets and other contacts (electric connections); commutators; electric switches; electric sockets; smoke detectors; switches, electric; switchboards; switchboxes [electricity]; temperature indicators; thermostats; transformers [electricity]; transistors [electronic]; transmitters of electronic signals; light dimmers [regulators], electric; light-emitting diodes [led]; loudspeakers; measuring apparatus; light regulators [dimmers], electric; measuring instruments; microphones; mobile phone chargers; mobile phone ring holders; mobile phone ring stands; monitoring apparatus, other than for medical purposes; optical lenses; wire connectors [electricity]; organic light-emitting diodes [oled]; portable power chargers; portable speakers; precision measuring apparatus; safety signs [luminous]; detectors; digital signs; measuring devices, electric; distribution consoles [electricity]; electric door bells; ducts [electricity]; electric actuators; electric linear actuators; electricity conduits; materials for electricity mains [wires, cables]; electronic numeric displays; fire extinguishers; fire extinguishing apparatus; fire alarms; distribution boards [electricity]; inductors [electricity]; infrared detectors; inverters [electricity]; ionization apparatus not for the treatment of air or water; junction boxes [electricity]; lasers, not for medical purposes; distribution boxes [electricity]; electrical adapters; air analysis apparatus; alarm bells, electric; alarms; anti-interference devices [electricity]; anti-theft warning apparatus; audio interfaces; barometers; battery chargers; branch boxes [electricity]; buzzers; igniting apparatus, electric, for igniting at a distance; cabinets for loudspeakers; cables, electric; camcorders; cameras [photography]; apparatus for changing record player needles; chargers for electric accumulators; charging stations for electric vehicles; electric apparatus for remote ignition; chips [integrated circuits]; climate control digital thermostats; coaxial cables; coils, electric; collectors, electric; electric apparatus for commutation; computer hardware; computer keyboards; computer memory devices; computer operating programs, recorded; computer peripheral devices; computer programs, downloadable; computer programs, recorded; computer screen saver software, recorded or downloadable; computer software applications, downloadable; acoustic alarms; computer software, recorded; computers; sheaths for electric cables; signal bells; signal lanterns; signalling buoys; signalling panels, luminous or mechanical; signalling whistles; sound alarms; mechanical signs; signs, luminous; security surveillance robots; smart speakers; sound locating instruments; data communication apparatus and instruments; sounding apparatus and machines; cell switches [electricity]; reducers [electricity]; computer software platforms, recorded or downloadable; signals, luminous or mechanical; sound recording apparatus, sound reproductions apparatus, sound transmitting apparatus