Reference Source

UL 991

For UL 991, laboratory is Intertek Testing Services NA, Inc; standard title is Safety-Related Controls Employing Solid-State Devices, verified against its source on 2026-08-10.

Laboratory
Intertek Testing Services NA, Inc. verified
Standard number
UL 991 verified
Standard title
Safety-Related Controls Employing Solid-State Devices verified
Sourceosha.gov
Verified
Review by
DatasetWhich OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced

What the source says

UL 991 | Safety-Related Controls Employing Solid-State Devices |

osha.gov, retrieved 2026-08-10

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.