Current stage: 40.99 Effective date: Apr 24, 2026
Next stage: DECFDIS Next stage date: Dec 31, 2026
Originator: IEC
Owner: TC 61
Type: International Standard
ICS: 13.120 97.030
IN_DEVELOPMENT IEC 63682 ED1 40.99 Full report circulated: DIS approved for registration as FDIS Apr 24, 2026