Reference Source

UL 499

For UL 499, standard title is Electric Heating Appliances; 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 499 verified
Standard title
Electric Heating Appliances 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 499 | Electric Heating Appliances |

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.