Current stage: 30.99 Effective date: 4 pri 2025
Next stage: TCDV Next stage date: 27 qer 2025
Originator: IEC
Owner: TC 23/SC 23B
Type: International Standard
ICS: 29.120.40
PUBLISHED IEC 60669-2-1:2021 ED5
PUBLISHED IEC 60669-2-1:2021/COR1:2024 ED5
IN_DEVELOPMENT IEC 60669-2-1 ED6 30.99 CD approved for registration as DIS 4 pri 2025