IEC/TC 4 - Hydraulic turbines
To prepare international standards and reports for hydraulic rotating machinery and associated equipment allied with hydro-power development.
Turbines hydrauliques
Etablir des normes et des rapports internationaux concernant les machines hydrauliques tournantes et les équipements associés en relation avec les aménagements hydroélectriques.
General Information
Frequently Asked Questions
IEC/TC 4 is a Technical Committee within the International Organization for Standardization (ISO). It is named "Hydraulic turbines" and is responsible for: To prepare international standards and reports for hydraulic rotating machinery and associated equipment allied with hydro-power development. This committee has published 27 standards.
IEC/TC 4 develops ISO standards in the area of Information technology. The scope of work includes: To prepare international standards and reports for hydraulic rotating machinery and associated equipment allied with hydro-power development. Currently, there are 27 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.





