Devices in this class for the watertight attaching of electrical apparatus to the walls of moulds, dies or the like; devices in this class for the attaching of electrical apparatus between parallel walls of moulds, dies or the like; devices in this class for the attaching of electrical apparatus to concrete formwork; devices in this class for the watertight attaching of electrical apparatus to concrete formwork

Insulating boxes for flush wall mounting, insulating boxes and tubes for embedding in prefabricated walls and floors for housing; rigid and simple tubes in this Class; watertight joints for connecting tubes and boxes, watertight joints for connecting tubes; spacer rings in this class for tubes; rubber caps in this class for electrical apparatus

Electrical apparatus including switches, commutators, inverters, teleswitches, push-button switches, safety valves, electro-magnetic valves, thermoelectric valves, relays, disconnecting devices, signal and alarm apparatus, electric conductors, terminals, transformers, lampholders, lampholders for fluorescent lamps and form filament lamps; and combinations of the aforementioned goods