Reference Source

Class I

What is the category for Class I?

For Class I, category is area classification; iec / atex designation is Zone 0, 1, 2 (gas); basis or note is Flammable gases and vapors, recorded from its source on 2026-08-06.

Class I | Flammable gases and vapors

inframena.com, retrieved 2026-08-06

Category
area classification our reading
North American designation
Class I verified
IEC / ATEX designation
Zone 0, 1, 2 (gas)
Basis or note
Flammable gases and vapors verified
Sourceinframena.com
Verified
Review by
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.

Source

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