Current stage: 40.99 Full report circulated: DIS approved for registration as FDIS Jul 17, 2026
Next stage: DECFDIS Next stage date : Sep 30, 2027
Originator: IEC
Owner: TC 34
Type: International Standard
ICS: 29.140.01 Lamps in general | 29.140.99 Other standards related to lamps
IN_DEVELOPMENT IEC 63640 ED1 40.99 Full report circulated: DIS approved for registration as FDIS Jul 17, 2026