Reference Source

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.

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
Sourceexknowledge.com
Verified2026-08-06
Review by2028-08-05
DatasetNorth American vs IEC/ATEX explosion protection designations

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

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

Source

Last verified against source: 2026-08-06. Due for re-check by 2028-08-05. This page as Markdown · OKF bundle · full dataset as JSON.