Class II
What is the category for Class II?
For Class II, category is area classification; iec / atex designation is Zone 20, 21, 22 (dust); basis or note is Combustible dust, recorded from its source on 2026-08-06.
Class II | Combustible dust
— inframena.com, retrieved 2026-08-06
- Category
- area classification our reading
- North American designation
- Class II verified
- IEC / ATEX designation
- Zone 20, 21, 22 (dust)
- Basis or note
- Combustible dust verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
Source
- inframena.comhttps://www.inframena.com/hazardous-area-classification-equivalency-guide/