Reference Source

(no NEC equivalent)

For (no NEC equivalent), category is area classification; iec / atex designation is Zone 20; basis or note is Combustible dust present continuously, recorded from its source on 2026-08-06.

Category
area classification our reading
North American designation
(no NEC equivalent)
IEC / ATEX designation
Zone 20 verified
Basis or note
Combustible dust present continuously verified
Sourceinframena.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

Zone 20 | Combustible dust present continuously

inframena.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.