IEC/SC 34B - Lamp caps and holders
Standardization of lamp* caps and holders with a view to standardize both these components to ensure proper contact-making combined with interchangeability and safety. * The term Lamps includes LED for General Lighting Services
Culots et douilles
Normalisation des culots et des douilles de lampes* visant à normaliser ces éléments pour assurer un bon contact électrique associé à l'interchangeabilité et à la sécurité. * Le terme Lampes comprend les DEL pour l'éclairage général
General Information
Frequently Asked Questions
IEC/SC 34B is a Subcommittee within the International Organization for Standardization (ISO). It is named "Lamp caps and holders" and is responsible for: Standardization of lamp* caps and holders with a view to standardize both these components to ensure proper contact-making combined with interchangeability and safety. * The term Lamps includes LED for General Lighting Services This committee has published 223 standards.
IEC/SC 34B develops ISO standards in the area of Information technology. The scope of work includes: Standardization of lamp* caps and holders with a view to standardize both these components to ensure proper contact-making combined with interchangeability and safety. * The term Lamps includes LED for General Lighting Services Currently, there are 223 published standards from this subcommittee.
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 Subcommittee (SC) in ISO operates under a Technical Committee and focuses on a specific subset of the TC's scope. Subcommittees develop standards and technical specifications in their specialized area, reporting to their parent Technical Committee. They may also have working groups for detailed technical work.





