Current stage: 20.99 Effective date: Sep 19, 2025
Next stage: CD Next stage date: Apr 3, 2026
Originator: IEC
Owner: TC 62
Type: International Standard
ICS: 11.020 11.040
IN_DEVELOPMENT IEC/IEEE 63685 ED1 20.99 WD approved for registration as CD Sep 19, 2025