UL 448B
What is the laboratory for UL 448B?
For UL 448B, laboratory is UL LLC; standard title is Residential Fire Pumps Intended for One - and Two-Family Dwellings and Manufactured Homes, verified against its source on 2026-09-17.
UL 448B | Residential Fire Pumps Intended for One - and Two-Family Dwellings and Manufactured Homes |
— osha.gov, retrieved 2026-08-10
- Laboratory
- UL LLC
- Standard number
- UL 448B verified
- Standard title
- Residential Fire Pumps Intended for One - and Two-Family Dwellings and Manufactured Homes verified
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/ul