JWG 21 - TC 34/JWG 21
TC 34/JWG 21
General Information
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IEC 62471-7:2023 specifies an assessment of the photobiological safety of electrical light sources and luminaires in normal use as well as some basic product requirements. It applies to electrical light sources and luminaires that emit radiation predominantly in the visible spectral range (380 nm to 780 nm) and are used to illuminate spaces or objects or used for signalling.
The contents of the corrigenda 1 (2023-06), 2 (2024-09) and the Interpretation sheet (2025-07) have been included in this copy.
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Frequently Asked Questions
JWG 21 is a Technical Committee within the International Electrotechnical Commission (IEC). It is named "TC 34/JWG 21". This committee has published 6 standards.
JWG 21 develops IEC standards in the area of Information technology. Currently, there are 6 published standards from this technical committee.
The International Electrotechnical Commission (IEC) is the world's leading organization for the preparation and publication of international standards for electrical, electronic, and related technologies. Founded in 1906, the IEC provides a global platform for companies, industries, and governments to meet, discuss, and develop the international standards they require.
A Technical Committee (TC) in IEC 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.