UL 651
What is the laboratory for UL 651?
For UL 651, laboratory is NSF International; standard title is Schedule 40 and 80 Rigid PVC Conduit, verified against its source on 2026-09-17.
UL 651 | Schedule 40 and 80 Rigid PVC Conduit |
— osha.gov, retrieved 2026-08-10
- Laboratory
- NSF International
- Standard number
- UL 651 verified
- Standard title
- Schedule 40 and 80 Rigid PVC Conduit verified
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/nsf