UL 1203 — Explosion Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations
Reference: UL 1203 · Scheme: OSHA NRTL product safety. The 1 laboratory below appears in the Current list of Nationally Recognized Testing Laboratories for this standard. Retrieved July 2026; ranking criteria on the methodology page.
| # | Laboratory | Location | Cert / ID | Approved | Registry accreditations |
|---|---|---|---|---|---|
| 1 | SGS North America, Inc. | Suwanee, Georgia, United States | — | — | 3 |
Facts reproduced from the linked registry as retrieved July 2026. No ratings, no reviews — see methodology.