Reference Source

NFPA 496

For NFPA 496, standard title is Purged and Pressurized Enclosures for Electrical Equipment; nrtl is UL; laboratory is UL LLC; status is currently recognized, recorded from its source on 2026-08-10.

Test standard
NFPA 496 verified
Standard title
Purged and Pressurized Enclosures for Electrical Equipment verified
NRTL
UL verified
Laboratory
UL LLC 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

NFPA 496 | Purged and Pressurized Enclosures for Electrical Equipment |

osha.gov, retrieved 2026-08-10

Source

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