40.20 Feb 6, 2026
PRVC May 1, 2026
IEC
TC 34
International Standard
PROJECT
IEC 63533 ED1
40.20
DIS ballot initiated: 12 weeks
Feb 6, 2026
Germicidal equipment - Airborne microorganisms inactivation by Germicidal Ultraviolet (GUV) luminaires
40.60 Close of voting
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