Current stage: 30.99 Effective date: Oct 17, 2025
Next stage: TCDV Next stage date: Nov 28, 2025
Originator: IEC
Owner: TC 23/SC 23H
Type: International Standard
ICS: 29.120.30 43.120
IN_DEVELOPMENT IEC 63407 ED1 30.99 CD approved for registration as DIS Oct 17, 2025