# ANSI C37.38 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard For ANSI C37.38, standard title is Gas Insulated, Metal Enclosed Disconnecting, Interrupter and Grounding Switches; status is no longer recognized, recorded from its source on 2026-08-10. - **Test standard:** ANSI C37.38 _(verified: appears in the quote below)_ - **Standard title:** Gas Insulated, Metal Enclosed Disconnecting, Interrupter and Grounding Switches. _(verified: appears in the quote below)_ - **Status:** no longer recognized _(our reading, not quoted from the source)_ ## What the source says > ANSI C37.38 | Gas Insulated, Metal Enclosed Disconnecting, Interrupter and Grounding Switches. | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/standards-no-longer-recognized Last verified: 2026-08-10. Review by: 2026-11-08. Part of [Which OSHA-recognized labs (NRTLs) can certify to a given test standard](https://referencesource.org/nrtl-recognized-test-standards/).