Current stage: 40.00 Effective date: Nov 28, 2025
Next stage: CCDV Next stage date: Jan 16, 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 40.00 DIS registered Nov 28, 2025