ELECTRIC CONTROL PANELS; IDENTIFICATION SHEATHS FOR ELECTRIC WIRES; WIRE CONNECTORS; ELECTRICITY CONDUITS; ELECTRIC COUPLINGS; INVERTERS; ELECTRIC CIRCUIT CLOSERS; ELECTRICAL CONNECTION BOXES; COVERS FOR ELECTRIC OUTLETS; ELECTRICAL CIRCUIT BOARDS, DISTRIBUTION BOXES FOR ELECTRICAL POWER; JUNCTION BOXES; SHEATHS FOR ELECTRIC CABLES; ELECTRIC PLUGS, ELECTRIC SOCKETS, AND OTHER CONTACTS, NAMELY, ELECTRIC CONNECTIONS

NON-METALLIC DUCTS FOR ELECTRICAL INSTALLATIONS FOR INDUSTRIAL AND DOMESTIC USE, AND PARTS THEREOF, NAMELY, SPIRAL BINDING, SEPARATING WALLS, FIXING RIVETS, FIXING PIECES, CROSS PIECES, AND WIRE RETAINERS