UL 1638
What is the laboratory for UL 1638?
For UL 1638, laboratory is TUV Rheinland of North America, Inc; standard title is Visual Signaling Appliances, verified against its source on 2026-09-17.
UL 1638 | Visual Signaling Appliances |
— osha.gov, retrieved 2026-08-10
- Laboratory
- TUV Rheinland of North America, Inc.
- Standard number
- UL 1638 verified
- Standard title
- Visual Signaling Appliances verified
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/tuv