Current stage: 30.99 Effective date: 30 jan 2026
Next stage: TCDV Next stage date: 27 mar 2026
Originator: IEC
Owner: TC 47
Type: International Standard
ICS: 31.080.99
IN_DEVELOPMENT IEC 63608-1 ED1 30.99 CD approved for registration as DIS 30 jan 2026