# Explosion-proof (XP) — North American vs IEC/ATEX explosion protection designations

For Explosion-proof (XP), category is protection concept; iec / atex designation is Ex d (Flameproof); iec standard is IEC 60079-1; basis or note is Contain the explosion inside the enclosure, recorded from its source on 2026-08-06.

- **Category:** protection concept _(our reading, not quoted from the source)_
- **North American designation:** Explosion-proof (XP) _(verified: appears in the quote below)_
- **IEC / ATEX designation:** Ex d (Flameproof) _(verified: appears in the quote below)_
- **IEC standard:** IEC 60079-1 _(verified: appears in the quote below)_
- **Basis or note:** Contain the explosion inside the enclosure _(verified: appears in the quote below)_

## What the source says

> Explosion-proof (XP) | Ex d (Flameproof) | IEC 60079-1 | Contain the explosion inside the enclosure

## Source

- https://exknowledge.com/pages/nec-500-vs-atex-iec.html

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/).