# UL 4248-11 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard For UL 4248-11, standard title is Fuseholders - Part 11: Type C (Edison Base) and Type S Plug Fuse; nrtl is UL; laboratory is UL LLC; status is currently recognized, recorded from its source on 2026-08-10. - **Test standard:** UL 4248-11 _(verified: appears in the quote below)_ - **Standard title:** Fuseholders - Part 11: Type C (Edison Base) and Type S Plug Fuse _(verified: appears in the quote below)_ - **NRTL:** UL _(verified: appears in the quote below)_ - **Laboratory:** UL LLC _(verified: appears in the quote below)_ - **Status:** currently recognized _(our reading, not quoted from the source)_ ## What the source says > UL 4248-11 | Fuseholders - Part 11: Type C (Edison Base) and Type S Plug Fuse | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/ul 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/).