Current stage: 40.20 DIS ballot initiated: 12 weeks Aug 21, 2026
Next stage: PRVC Next stage date : Nov 13, 2026
Originator: IEC
Owner: TC 31/SC 31M
Type: International Standard
ICS: 13.230 Explosion protection | 29.260.20 Electrical apparatus for explosive atmospheres
PUBLISHED ISO/IEC 80079-20-1:2017 ED1
PUBLISHED ISO/IEC 80079-20-1:2017/COR1:2018 ED1
IN_DEVELOPMENT ISO/IEC 80079-20-1 ED2 40.20 DIS ballot initiated: 12 weeks Aug 21, 2026
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