Current stage: 30.99 Effective date: Oct 2, 2026
Next stage: TCDV Next stage date: Oct 16, 2026
Originator: IEC
Owner: TC 65
Type: International Standard
ICS: 25.040.40
IN_DEVELOPMENT IEC 63657-3 ED1 30.99 CD approved for registration as DIS Oct 2, 2026