# Pressurization — North American vs IEC/ATEX explosion protection designations

For Pressurization, category is protection concept; iec / atex designation is Ex p, recorded from its source on 2026-08-06.

- **Category:** protection concept _(our reading, not quoted from the source)_
- **North American designation:** Pressurization _(verified: appears in the quote below)_
- **IEC / ATEX designation:** Ex p _(verified: appears in the quote below)_
- **Basis or note:** Pressurization _(verified: appears in the quote below)_

## What the source says

> Ex p | Pressurization

## Source

- https://www.inframena.com/hazardous-area-classification-equivalency-guide/

Last verified: 2026-08-06. Review by: 2028-08-05.
Part of [North American vs IEC/ATEX explosion protection designations](https://referencesource.org/ex-classification-system-crosswalk/).