Reference Source

UL 1474

What is the laboratory for UL 1474?

For UL 1474, laboratory is UL LLC; standard title is Adjustable Drop Nipples for Sprinkler Systems, verified against its source on 2026-09-17.

UL 1474 | Adjustable Drop Nipples for Sprinkler Systems |

— osha.gov, retrieved 2026-08-10

Laboratory
UL LLC
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

Source

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