Reference Source

UL 977

For UL 977, standard title is Fused Power Circuit Devices; nrtl is TUVAM; laboratory is TÜV SÜD America Inc; status is currently recognized, recorded from its source on 2026-08-10.

Test standard
UL 977 verified
Standard title
Fused Power Circuit Devices verified
NRTL
TUVAM verified
Laboratory
TÜV SÜD America Inc. verified
Status
currently recognized our reading
Sourceosha.gov
Verified
Review by
DatasetWhich OSHA-recognized labs (NRTLs) can certify to a given test standard

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

UL 977 | Fused Power Circuit Devices |

osha.gov, retrieved 2026-08-10

Source

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