IEC/TC 25 - Quantities and units
To prepare international standards on quantities and units to be used in electrical technology. Such standards may relate to their definitions, names, letter symbols and use; to the relations in which they appear; and to the signs and symbols used with them.
Grandeurs et unités
Etablir des normes internationales relatives aux grandeurs et unités à utiliser en électrotechnique. De telles normes pourront inclure la définition de ces grandeurs et unités, leur nom, leurs symboles littéraux et leur emploi, les relations dans lesquelles elles interviennent et les signes et symboles utilisés avec elles.
General Information
Frequently Asked Questions
IEC/TC 25 is a Technical Committee within the International Organization for Standardization (ISO). It is named "Quantities and units" and is responsible for: To prepare international standards on quantities and units to be used in electrical technology. Such standards may relate to their definitions, names, letter symbols and use; to the relations in which they appear; and to the signs and symbols used with them. This committee has published 20 standards.
IEC/TC 25 develops ISO standards in the area of Information technology. The scope of work includes: To prepare international standards on quantities and units to be used in electrical technology. Such standards may relate to their definitions, names, letter symbols and use; to the relations in which they appear; and to the signs and symbols used with them. Currently, there are 20 published standards from this technical committee.
The International Organization for Standardization (ISO) is an independent, non-governmental international organization that develops and publishes international standards. Founded in 1947 and headquartered in Geneva, Switzerland, ISO brings together experts from 170+ member countries to share knowledge and develop voluntary, consensus-based standards that support innovation and provide solutions to global challenges.
A Technical Committee (TC) in ISO is a group of experts responsible for developing international standards in a specific technical area. TCs are composed of national member body delegates and work through consensus to create standards that meet global industry needs. Each TC may have subcommittees (SCs) and working groups (WGs) for specialized topics.