Converters, electric; switches, electric; electric plugs; current rectifiers; electrical cell switches; electric control panels; connections for electric lines; couplings, electric; time switches, automatic; wire connectors; light dimmers, electric; light illumination regulators, electric; covers for electric outlets; lighting ballasts; electrical adapters; sensors for measuring distance, chemical levels in aqueous solutions, not for medical use; low-voltage power supplies; electrical switchb...