# FM 3611 — Which OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced

For FM 3611, laboratory is SGS North America, Inc; standard title is Nonincendive Electrical Equipment for Use in Class I and II, Division 2, and Class III, Divisions 1 and 2, Hazardous (Classified) Locations, verified against its source on 2026-08-10.

- **Laboratory:** SGS North America, Inc. _(verified: appears in the quote below)_
- **Standard number:** FM 3611 _(verified: appears in the quote below)_
- **Standard title:** Nonincendive Electrical Equipment for Use in Class I and II, Division 2, and Class III, Divisions 1 and 2, Hazardous (Classified) Locations _(verified: appears in the quote below)_

## What the source says

> FM 3611 | Nonincendive Electrical Equipment for Use in Class I and II, Division 2, and Class III, Divisions 1 and 2, Hazardous (Classified) Locations |

## Source

- https://www.osha.gov/nationally-recognized-testing-laboratory-program/sgs

Last verified: 2026-08-10. Review by: 2026-12-08.
Part of [Which OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced](https://referencesource.org/nrtl-recognition-scopes/).