Division 1
For Division 1, category is area classification; iec / atex designation is Zone 1 (+ Zone 0); basis or note is Explosive atmosphere likely during normal operation (10–1000 hrs/yr), recorded from its source on 2026-08-06.
- Category
- area classification our reading
- North American designation
- Division 1 verified
- IEC / ATEX designation
- Zone 1 (+ Zone 0) verified
- Basis or note
- Explosive atmosphere likely during normal operation (10–1000 hrs/yr) 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
Division 1 | Zone 1 (+ Zone 0) | Explosive atmosphere likely during normal operation (10–1000 hrs/yr)
— exknowledge.com, retrieved 2026-08-06
Source
- exknowledge.comhttps://exknowledge.com/pages/nec-500-vs-atex-iec.html