IEC TC 25
Encyclopedia
IEC Technical Committee 25 was established in 1935. It is one of the technical committees of the International Electrotechnical Commission
(IEC).
Its title is "Quantities and units, and their letter symbols". It merged with TC 24 and as a committee with "horizontal" responsibilities (i.e. covering matters of a wide-ranging nature and applicable by many “vertical” or product-oriented committees), it is in charge of all questions concerning the SI.
Among other standards it is responsible for parts 6, 13, 14, 15 of ISO/IEC 80000
.
International Electrotechnical Commission
The International Electrotechnical Commission is a non-profit, non-governmental international standards organization that prepares and publishes International Standards for all electrical, electronic and related technologies – collectively known as "electrotechnology"...
(IEC).
Its title is "Quantities and units, and their letter symbols". It merged with TC 24 and as a committee with "horizontal" responsibilities (i.e. covering matters of a wide-ranging nature and applicable by many “vertical” or product-oriented committees), it is in charge of all questions concerning the SI.
Among other standards it is responsible for parts 6, 13, 14, 15 of ISO/IEC 80000
ISO/IEC 80000
International standard ISO 80000 or IEC 80000—depending on which of the two international standards bodies International Organization for Standardization and International Electrotechnical Commission is in charge of each respective part—is a style guide for the use of physical quantities and units...
.