Acetylene · NEC 500 (North America)

For Acetylene, classification system is NEC 500 (North America); apparatus / gas group is Group A, recorded from its source on 2026-10-06.

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

Apparatus / gas group

The source prints this value inside the passage below but does not name it there. The passage shows where it appears; what ties it to this record is the position on the page, not anything the passage says.

Acetylene Group A

— euroswitch.com, retrieved 2026-10-06

Source

• euroswitch.comhttps://www.euroswitch.com/wp-content/uploads/euroswitch-hazardous-area-guide_V6.pdf

Last verified against source: 2026-10-06. Due for re-check by 2028-10-05. This page as Markdown · OKF bundle · full dataset as JSON.