40.20 DIS ballot initiated: 12 weeks Oct 2, 2026
PRVC Dec 25, 2026
IEC
International Standard
91.140.30 Ventilation and air-conditioning systems
PUBLISHED
IEC 60335-2-88:2002 ED2
IN_DEVELOPMENT
IEC 60335-2-88 ED3
40.20
DIS ballot initiated: 12 weeks
Oct 2, 2026