Current stage: 40.99 Effective date: Aug 14, 2026
Next stage: TDTR Next stage date: Aug 31, 2026
Originator: IEC
Owner: TC 21
Type: Technical Report
ICS: 29.220.20
PROJECT IEC TR 63330-2 ED1 40.99 Full report circulated: DIS approved for registration as FDIS Aug 14, 2026