Current stage: 30.99 Effective date: Aug 14, 2026
Next stage: TCDV Next stage date: Dec 1, 2026
Originator: IEC
Owner: TC 111
Type: International Standard
ICS: 13.020.01
IN_DEVELOPMENT IEC 63683-2 ED1 30.99 CD approved for registration as DIS Aug 14, 2026