Reference Source

UL 1474

For UL 1474, laboratory is UL LLC; standard title is Adjustable Drop Nipples for Sprinkler Systems, verified against its source on 2026-08-10.

Laboratory
UL LLC verified
Standard number
UL 1474 verified
Standard title
Adjustable Drop Nipples for Sprinkler Systems 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 1474 | Adjustable Drop Nipples for Sprinkler Systems |

— 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.