# NFPA 70 (adopted by AHJs) — North American vs IEC/ATEX explosion protection designations

For NFPA 70 (adopted by AHJs), category is system attribute; iec / atex designation is EU Directive 2014/34/EU / IECEx scheme; basis or note is Legal framework, recorded from its source on 2026-08-06.

- **Category:** system attribute _(our reading, not quoted from the source)_
- **North American designation:** NFPA 70 (adopted by AHJs) _(verified: appears in the quote below)_
- **IEC / ATEX designation:** EU Directive 2014/34/EU / IECEx scheme _(verified: appears in the quote below)_
- **Basis or note:** Legal framework _(verified: appears in the quote below)_

## What the source says

> Legal framework | NFPA 70 (adopted by AHJs) | NFPA 70 (adopted by AHJs) | EU Directive 2014/34/EU / IECEx scheme

## 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/).