Reference Source

UL 1561

For UL 1561, standard title is Dry Type General Purpose and Power Transformers; nrtl is TUVAM; laboratory is TÜV SÜD America Inc; status is currently recognized, recorded from its source on 2026-08-10.

Test standard
UL 1561 verified
Standard title
Dry Type General Purpose and Power Transformers 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 1561 | Dry Type General Purpose and Power Transformers |

osha.gov, retrieved 2026-08-10

Source

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