| Subject | English | Portuguese |
| patents. | electrotechnical and electronic apparatus | aparelhos electrotécnicos e electrónicos (compreendidos na classe 9) |
| patents. | electrotechnical and electronic apparatus and instruments so far as contained in class 9 | aparelhos e instrumentos eléctricos e electrónicos incluídos na classe 9 |
| patents. | electrotechnical apparatus | aparelhos electrotécnicos |
| environ. | electrotechnical equipment | equipamento eletrotécnico |
| environ. | electrotechnical equipment All the equipment connected with the technological use of electric power | equipamento electrotécnico |
| environ. | electrotechnical industry | indústria eletrotécnica |
| environ. | electrotechnical industry A sector of the economy in which an aggregate of commercial enterprises is engaged in the design, manufacture and marketing of machinery, apparatus and supplies for the generation, storage and utilization of electrical energy, such as household appliances, radio and television receiving equipment, and lighting and wiring equipment | indústria electrotécnica |
| commun., IT, tech. | electrotechnical standardization | normalização eletrotécnica |
| el. | electrotechnical term | termo eletrotécnico |
| nat.sc., industr., polit. | European Committee for Electrotechnical Standardization | Comité Europeu de Normalização Eletrotécnica |
| energ.ind., el. | Federation of National Manufacturers Associations for Luminaires and Electrotechnical Components of Luminaires | Federação das Associações dos Fabricantes Nacionais de Luminárias e de Componentes Electrotécnicos para Luminárias na União Europeia |
| comp., MS, Braz. | International Electrotechnical Commission | International Electrotechnical Commission (One of two international standards bodies responsible for developing international data communications standards. The International Electrotechnical Commission (IEC) works closely with the International Organization for Standardization (ISO) to define standards of computing. They jointly published the ISO/IEC SQL-92 standard for SQL) |
| nat.sc., industr., energ.ind. | International Electrotechnical Commission | Comissão Eletrotécnica Internacional |
| el. | International Electrotechnical Vocabulary | Vocabulário Eletrotécnico Internacional |
| nat.sc. | Mediterranean Electrotechnical Conference | Conferência Mediterrânica de Eletrotécnica |
| industr., energ.ind. | rules for the authorization of electrotechnical installers | regras para a autorização de instaladores eletrotécnicos |