Current stage: 40.99 Effective date: Oct 16, 2026
Next stage: DECFDIS Next stage date: Dec 31, 2026
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 40.99 Full report circulated: DIS approved for registration as FDIS Oct 16, 2026