50.00 Aug 18, 2026
CFDIS Nov 10, 2026
IEC
TC 34
International Standard
PROJECT
IEC 63533 ED1
50.00
Final text received or FDIS registered for formal approval
Aug 18, 2026
Germicidal equipment - Airborne microorganisms inactivation by Germicidal Ultraviolet (GUV) luminaires
40.60 Close of voting