Scientific, gauging, measuring, signalling and control apparatuses, in particular voltage testers and instruments; apparatuses and instruments for conducting, switching, transforming, storing, regulating and controlling electricity, in particular electrical installation material, such as switches, push buttons, sockets, plugs, multiple sockets, extensions, electrical connectors, adapters, dimmers, motion detectors, gong ringers, residual current circuit breakers, miniature circuit breakers, motor switches, motor brake switches, DIN rail components, mobile personal protection device, device overvoltage filters, timers; electrical installation devices and apparatuses; electrical switches; electrical/electronic dimmers; electric sockets; socket adapters; motion detectors; time switches; gas, smoke, heat, wind and water detectors; burglar alarms; telephone dialers; magnetic glass-breakage sensors and optical sensors for detecting the opening and closing of windows and doors, as radio transmitters/receivers or transceivers in the ISM band; temperature control circuits [thermostats] except temperature control circuits [thermostats] in water supply and sanitary fittings for thermostatically and/or contactless controlled fittings; electrical control devices for heating management; all the aforementioned goods, in particular for flush mounting; electric control devices for energy management; battery management devices; energy management software; battery management software; remote controls for controlling electronic products; gateways for the Internet of Things [lot]; photovoltaic systems for generating electricity with solar energy; photovoltaic inverters; energy storage (battery); e-charging stations for electric cars; switch box (actuator) for controlling e-charging stations.;