Reference Source

UL 231

For UL 231, standard title is Electrical Power Outlets; nrtl is CSA; laboratory is CSA Group Testing and Certification Inc; status is currently recognized, recorded from its source on 2026-08-10.

Test standard
UL 231 verified
Standard title
Electrical Power Outlets verified
NRTL
CSA verified
Laboratory
CSA Group Testing and Certification 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 231 | Electrical Power Outlets |

osha.gov, retrieved 2026-08-10

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.