Current stage: 40.99 Effective date: Aug 7, 2026
Next stage: DECFDIS Next stage date: Oct 2, 2026
Originator: IEC
Owner: TC 62/SC 62B
Type: International Standard
ICS: 11.040.55
IN_DEVELOPMENT IEC 63524 ED1 40.99 Full report circulated: DIS approved for registration as FDIS Aug 7, 2026