2 levels (Div 1, Div 2)
What is the category for 2 levels (Div 1, Div 2)?
For 2 levels (Div 1, Div 2), category is system attribute; iec / atex designation is 3 levels (Zone 0, 1, 2); basis or note is Risk gradation, recorded from its source on 2026-08-06.
Risk gradation | 2 levels (Div 1, Div 2) | 3 levels (Zone 0, 1, 2) | 3 levels (Zone 0, 1, 2)
— exknowledge.com, retrieved 2026-08-06
- Category
- system attribute our reading
- North American designation
- 2 levels (Div 1, Div 2) verified
- IEC / ATEX designation
- 3 levels (Zone 0, 1, 2) verified
- Basis or note
- Risk gradation 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
- exknowledge.comhttps://exknowledge.com/pages/nec-500-vs-atex-iec.html