Class I Division 1
For Class I Division 1, category is area classification; iec / atex designation is Zone 1; basis or note is Frequent hazard, recorded from its source on 2026-08-06.
- Category
- area classification our reading
- North American designation
- Class I Division 1 verified
- IEC / ATEX designation
- Zone 1 verified
- Basis or note
- Frequent hazard 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.
What the source says
Frequent hazard | Class I Division 1 | Zone 1
— inframena.com, retrieved 2026-08-06
Source
- inframena.comhttps://www.inframena.com/hazardous-area-classification-equivalency-guide/