Current stage: 30.99 Effective date: Oct 30, 2026
Next stage: TCDV Next stage date: Nov 30, 2026
Originator: IEC
Owner: TC 91
Type: International Standard
ICS: 31.190
IN_DEVELOPMENT IEC 63726-1-1 ED1 30.99 CD approved for registration as DIS Oct 30, 2026