Reference Source

UL 857

What is the laboratory for UL 857?

For UL 857, laboratory is UL LLC; standard title is Electric Busways and Associated Fittings, verified against its source on 2026-09-17.

UL 857 | Electric Busways and Associated Fittings |

— osha.gov, retrieved 2026-08-10

Laboratory
UL LLC
Standard number
UL 857 verified
Standard title
Electric Busways and Associated Fittings verified
Sourceosha.gov
Verified
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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.

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