Current stage: 30.99 Effective date: 9 jan 2026
Next stage: ACDV Next stage date: 16 jan 2026
Originator: IEC
Owner: TC 23/SC 23B
Type: International Standard
ICS: 29.120.40
IN_DEVELOPMENT IEC 63418 ED1 30.99 CD approved for registration as DIS 9 jan 2026