Reference Source

UL 1990

What is the laboratory for UL 1990?

For UL 1990, laboratory is UL LLC; standard title is Nonmetallic Underground Conduit with Conductors, verified against its source on 2026-09-17.

UL 1990 | Nonmetallic Underground Conduit with Conductors |

— osha.gov, retrieved 2026-08-10

Laboratory
UL LLC
Standard number
UL 1990 verified
Standard title
Nonmetallic Underground Conduit with Conductors 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.

More on standards, certification and testing

All 9 datasets on this subject · Look something up