Current stage: 20.99 Effective date: Dec 23, 2025
Next stage: CD Next stage date: Aug 31, 2026
Originator: IEC
Owner: TC 15
Type: International Standard
ICS: 29.035.01
PUBLISHED IEC 60893-3-7:2003 ED2
PUBLISHED IEC 60893-3-7:2003/AMD1:2009 ED2
IN_DEVELOPMENT IEC 60893-3-7 ED3 20.99 WD approved for registration as CD Dec 23, 2025