Current stage: 40.00 Effective date: Jun 19, 2026
Next stage: CCDV Next stage date: Aug 7, 2026
Originator: IEC
Owner: TC 59/SC 59L
Type: International Standard
ICS: 97.040.50
IN_DEVELOPMENT IEC 60704-2-21 ED1 40.00 DIS registered Jun 19, 2026