Electropedia: The World's Online Electrotechnical Vocabulary |
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Electropedia (also known as the "IEV Online") is the world's most comprehensive online electrical and electronic terminology database containing more than 20 000 terms and definitions in English and French organized by subject area, with equivalent terms in various other languages: Arabic, Chinese, Czech, Finnish, German, Italian, Japanese, Norwegian (Bokmål and Nynorsk), Polish, Portuguese, Russian, Serbian, Slovenian, Spanish and Swedish (coverage varies by subject area).
Electropedia is produced by the IEC, the world’s leading organization that prepares and publishes International Standards for all electrical, electronic and related technologies – collectively known as “electrotechnology”. Electropedia contains all the terms and definitions in the International Electrotechnical Vocabulary or IEV which is published also as a set of publications in the IEC 60050 series that can be ordered separately from the IEC webstore.
The world’s experts in electrotechnical terminology work to produce Electropedia under the responsibility of IEC Technical Committee 1 (Terminology), one of the 174 IEC technical committees. |
Subject areas - Click on title for list of terms |
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| 581 | Electromechanical components for electronic equipment |
| 601 | Generation, transmission and distribution of electricity - General |
| 602 | Generation, transmission and distribution of electricity - Generation |
| 603 | Generation, transmission and distribution of electricity - Power systems planning and management |
| 605 | Generation, transmission and distribution of electricity - Substations |
| 614 | Generation, transmission and distribution of electricity - Operation |
| 617 | Organization/Market of electricity |
| 651 | Live working |
| 691 | Tariffs for electricity |
| 701 | Telecommunications, channels and networks |
| 702 | Oscillations, signals and related devices |
| 704 | Transmission |
| 705 | Radio wave propagation |
| 712 | Antennas |
| 713 | Radiocommunications: transmitters, receivers, networks and operation |
| 714 | Switching and signalling in telecommunications |
| 715 | Telecommunication networks, teletraffic and operation |
| 716 | Integrated services digital network (ISDN) - Part 1: General aspects |
| 721 | Telegraphy, facsimile and data communication |
| 722 | Telephony |
| 723 | Broadcasting: Sound, television, data |
| 725 | Space radiocommunications |
| 726 | Transmission lines and waveguides |
| 731 | Optical fibre communication |
| 732 | Computer network technology |
| 801 | Acoustics and electroacoustics |
| 802 | Ultrasonics |
| 806 | Recording and reproduction of audio and video |
| 807 | Digital recording of audio and video signals |
| 808 | Video cameras for non-broadcasting |
| 811 | Electric traction |
| 815 | Superconductivity |
| 821 | Signalling and security apparatus for railways |
| 826 | Electrical installations |
| 841 | Industrial electroheat |
| 845 | Lighting |
| 851 | Electric welding |
| 881 | Radiology and radiological physics |
| 891 | Electrobiology |
| 901 | Standardization |
| 902 | Conformity assessment |
| 903 | Risk assessment |
| 904 | Environmental standardization for electrical and electronic products and systems |
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If you have any comments or suggestions on Electropedia or specific terms and definitions, we want to hear from you. Please send an e-mail to terminology@iec.ch.
Can I use a term or definition from Electropedia? Yes!
While Electropedia’s structure and content are copyright IEC, we encourage the use, referencing or citation of Electropedia for the purpose of identifying or clarifying the meaning of electrotechnical concepts, terms and symbols and their use in manuals, diagrams and equipment. We only ask that IEC is referenced as the source. For users wishing to duplicate Electropedia or use large portions for commercially or for free sharing, please contact the IEC. |