Reference Source

(NI)

For (NI), market / system is US; stated equivalent is Division 2; meaning is Non-Incendive; applies to is Class I; governing standard / law is ISA 12.12.01/FM 3611, verified against its source on 2026-08-11.

Designation
(NI) verified
Market / system
US verified
Stated equivalent
Division 2 verified
Meaning
Non-Incendive verified
Applies to
Class I verified
Governing standard / law
ISA 12.12.01/FM 3611 verified
Sourceeuroswitch.com
Verified
Review by
DatasetCertification marks and hazardous-area classifications: cross-market equivalences

What the source says

Non-Incendive (NI) US Class I Division 2 ISA 12.12.01/FM 3611

euroswitch.com, retrieved 2026-08-11

Sources disagree

More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.

Meaning

euroswitch.com says meaning is Non-Incendive, as of 2026-08-11.

Non-Incendive (NI) US Class I Division 2 ISA 12.12.01/FM 3611

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

euroswitch.com says meaning is Dust Protected, as of 2026-08-11.

Dust Protected (NI) US Class II Division 2 ISA 12.12.01 / FM 3611

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

Applies to

euroswitch.com says applies to is Class I, as of 2026-08-11.

Non-Incendive (NI) US Class I Division 2 ISA 12.12.01/FM 3611

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

euroswitch.com says applies to is Class II, as of 2026-08-11.

Dust Protected (NI) US Class II Division 2 ISA 12.12.01 / FM 3611

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

Governing standard / law

euroswitch.com says governing standard / law is ISA 12.12.01/FM 3611, as of 2026-08-11.

Non-Incendive (NI) US Class I Division 2 ISA 12.12.01/FM 3611

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

euroswitch.com says governing standard / law is ISA 12.12.01 / FM 3611, as of 2026-08-11.

Dust Protected (NI) US Class II Division 2 ISA 12.12.01 / FM 3611

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

Source

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