Current stage: 20.99 Effective date: 24 pri 2026
Next stage: CD Next stage date: 15 dhj 2026
Originator: IEC
Owner: TC 111
Type: International Standard
ICS: 13.020.01 29.100
IN_DEVELOPMENT IEC 63660-2 ED1 20.99 WD approved for registration as CD 24 pri 2026