Current stage: 20.99 Effective date: Feb 14, 2024
Next stage: CD Next stage date: May 15, 2024
Originator: IEC
Owner: TC 21/SC 21A
Type: International Standard
ICS: 29.220.30
PUBLISHED IEC 63056:2020 ED1
PUBLISHED IEC 63056:2020/COR1:2021 ED1
IN_DEVELOPMENT IEC 63056 ED2 20.99 WD approved for registration as CD Feb 14, 2024