mirror of https://referencesource.org/ex-classification-system-crosswalk/

data/records.jsonl

@@ -1,6 +1,6 @@
 {"basis": "Risk gradation", "category": "system attribute", "derived_fields": ["category"], "id": "3-levels-zone-0-1-2-system-attribute-2-levels-div-1-div-2", "iec_designation": "3 levels (Zone 0, 1, 2)", "north_american_designation": "2 levels (Div 1, Div 2)", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "Risk gradation | 2 levels (Div 1, Div 2) | 3 levels (Zone 0, 1, 2) | 3 levels (Zone 0, 1, 2)", "url": "https://referencesource.org/ex-classification-system-crosswalk/3-levels-zone-0-1-2-system-attribute-2-levels-div-1-div-2/", "verified_fields": ["basis", "iec_designation", "north_american_designation"]}
 {"basis": "Ignitable fibers", "category": "area classification", "derived_fields": ["category"], "id": "area-classification-class-iii", "north_american_designation": "Class III", "source": "https://www.inframena.com/hazardous-area-classification-equivalency-guide/", "source_quote": "Class III | Ignitable fibers", "url": "https://referencesource.org/ex-classification-system-crosswalk/area-classification-class-iii/", "verified_fields": ["basis", "north_american_designation"]}
-{"basis": "Geographic use: USA, Canada vs EU, UK, most of the world", "category": "system attribute", "derived_fields": ["category"], "id": "atex-iecex-zone-system-attribute-nec-500-class-division", "iec_designation": "ATEX / IECEx (Zone)", "north_american_designation": "NEC 500 (Class/Division)", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "Geographic use | USA, Canada | USA, Canada | EU, UK, most of the world", "url": "https://referencesource.org/ex-classification-system-crosswalk/atex-iecex-zone-system-attribute-nec-500-class-division/", "verified_fields": ["basis"]}
+{"basis": "Geographic use: USA, Canada vs EU, UK, most of the world", "category": "system attribute", "derived_fields": ["category"], "id": "atex-iecex-zone-system-attribute-nec-500-class-division", "iec_designation": "ATEX / IECEx (Zone)", "north_american_designation": "NEC 500 (Class/Division)", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "Geographic use | USA, Canada | USA, Canada | EU, UK, most of the world", "url": "https://referencesource.org/ex-classification-system-crosswalk/atex-iecex-zone-system-attribute-nec-500-class-division/"}
 {"basis": "Grain, flour, plastic dusts", "category": "dust group", "derived_fields": ["category"], "id": "dust-group-class-ii-group-g", "north_american_designation": "Class II, Group G", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "Class II, Group G", "url": "https://referencesource.org/ex-classification-system-crosswalk/dust-group-class-ii-group-g/", "verified_fields": ["north_american_designation"]}
 {"basis": "Legal framework", "category": "system attribute", "derived_fields": ["category"], "id": "eu-directive-2014-34-eu-iecex-scheme-system-attribute-nfpa-70-adopted-by-ahjs", "iec_designation": "EU Directive 2014/34/EU / IECEx scheme", "north_american_designation": "NFPA 70 (adopted by AHJs)", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "Legal framework | NFPA 70 (adopted by AHJs) | NFPA 70 (adopted by AHJs) | EU Directive 2014/34/EU / IECEx scheme", "url": "https://referencesource.org/ex-classification-system-crosswalk/eu-directive-2014-34-eu-iecex-scheme-system-attribute-nfpa-70-adopted-by-ahjs/", "verified_fields": ["basis", "iec_designation", "north_american_designation"]}
 {"basis": "Contain the explosion inside the enclosure", "category": "protection concept", "derived_fields": ["category"], "id": "ex-d-flameproof-protection-concept-explosion-proof-xp", "iec_designation": "Ex d (Flameproof)", "iec_standard": "IEC 60079-1", "north_american_designation": "Explosion-proof (XP)", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "Explosion-proof (XP) | Ex d (Flameproof) | IEC 60079-1 | Contain the explosion inside the enclosure", "url": "https://referencesource.org/ex-classification-system-crosswalk/ex-d-flameproof-protection-concept-explosion-proof-xp/", "verified_fields": ["basis", "iec_designation", "iec_standard", "north_american_designation"]}
@@ -23,14 +23,14 @@
 {"basis": "MESG >0.90 mm", "category": "gas group", "derived_fields": ["category"], "disagreements": [{"field": "basis", "versions": [{"as_of": "2026-08-06", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "D | IIA | Methane, propane, gasoline | >0.90 mm", "value": "MESG >0.90 mm"}, {"as_of": "2026-08-06", "source": "https://ldpi-inc.com/resources/classification-codes/class-1-locations/", "source_quote": "Gasoline | D | 280 | 536 | 600 PSI | IIA", "value": "Gasoline"}, {"as_of": "2026-08-06", "source": "https://www.inframena.com/hazardous-area-classification-equivalency-guide/", "source_quote": "D (Propane) | IIA", "value": "Propane"}]}], "id": "iia-gas-group-group-d", "iec_designation": "IIA", "north_american_designation": "Group D", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "D | IIA | Methane, propane, gasoline | >0.90 mm", "url": "https://referencesource.org/ex-classification-system-crosswalk/iia-gas-group-group-d/", "verified_fields": ["iec_designation"]}
 {"basis": "Ethylene", "category": "gas group", "derived_fields": ["category"], "id": "iib-gas-group-class-i-group-c", "iec_designation": "IIB", "north_american_designation": "Class I, Group C", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "IIB | Ethylene | Class I, Group C | Ethylene", "url": "https://referencesource.org/ex-classification-system-crosswalk/iib-gas-group-class-i-group-c/", "verified_fields": ["basis", "iec_designation", "north_american_designation"]}
 {"basis": "MESG 0.50–0.90 mm", "category": "gas group", "derived_fields": ["category"], "disagreements": [{"field": "basis", "versions": [{"as_of": "2026-08-06", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "C | IIB | Ethylene, ethyl ether | 0.50–0.90 mm", "value": "MESG 0.50–0.90 mm"}, {"as_of": "2026-08-06", "source": "https://ldpi-inc.com/resources/classification-codes/class-1-locations/", "source_quote": "Ethylene | C | 450 | 842 | 1,200 PSI | IIB", "value": "Ethylene"}]}], "id": "iib-gas-group-group-c", "iec_designation": "IIB", "north_american_designation": "Group C", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "C | IIB | Ethylene, ethyl ether | 0.50–0.90 mm", "url": "https://referencesource.org/ex-classification-system-crosswalk/iib-gas-group-group-c/", "verified_fields": ["iec_designation"]}
-{"basis": "Hydrogen", "category": "gas group", "derived_fields": ["category"], "id": "iib-h2-gas-group-class-i-group-b", "iec_designation": "IIB + H2", "north_american_designation": "Class I, Group B", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "IIB + H 2 | Hydrogen | Class I, Group B | Hydrogen", "url": "https://referencesource.org/ex-classification-system-crosswalk/iib-h2-gas-group-class-i-group-b/", "verified_fields": ["basis", "iec_designation", "north_american_designation"]}
+{"basis": "Hydrogen", "category": "gas group", "derived_fields": ["category"], "id": "iib-h2-gas-group-class-i-group-b", "iec_designation": "IIB + H2", "north_american_designation": "Class I, Group B", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "IIB + H2 | Hydrogen | Class I, Group B | Hydrogen", "url": "https://referencesource.org/ex-classification-system-crosswalk/iib-h2-gas-group-class-i-group-b/", "verified_fields": ["basis", "iec_designation", "north_american_designation"]}
 {"basis": "Acetylene", "category": "gas group", "derived_fields": ["category"], "id": "iic-gas-group-class-i-group-a", "iec_designation": "IIC", "north_american_designation": "Class I, Group A", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "IIC | Acetylene | Class I, Group A | Acetylene", "url": "https://referencesource.org/ex-classification-system-crosswalk/iic-gas-group-class-i-group-a/", "verified_fields": ["basis", "iec_designation", "north_american_designation"]}
 {"basis": "MESG <0.50 mm", "category": "gas group", "derived_fields": ["category"], "disagreements": [{"field": "basis", "versions": [{"as_of": "2026-08-06", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "A | IIC | Acetylene | <0.50 mm", "value": "MESG <0.50 mm"}, {"as_of": "2026-08-06", "source": "https://ldpi-inc.com/resources/classification-codes/class-1-locations/", "source_quote": "Acetylene | A | 305 | 581 | 6,000 PSI | IIC", "value": "Acetylene"}]}], "id": "iic-gas-group-group-a", "iec_designation": "IIC", "north_american_designation": "Group A", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "A | IIC | Acetylene | <0.50 mm", "url": "https://referencesource.org/ex-classification-system-crosswalk/iic-gas-group-group-a/", "verified_fields": ["iec_designation"]}
 {"basis": "Hydrogen", "category": "gas group", "derived_fields": ["category"], "id": "iic-gas-group-group-b", "iec_designation": "IIC", "north_american_designation": "Group B", "source": "https://ldpi-inc.com/resources/classification-codes/class-1-locations/", "source_quote": "Hydrogen | B | 520 | 968 | 6,000 PSI | IIC", "url": "https://referencesource.org/ex-classification-system-crosswalk/iic-gas-group-group-b/", "verified_fields": ["basis", "iec_designation"]}
 {"basis": "MESG <0.50 mm", "category": "gas group", "derived_fields": ["category"], "id": "iic-partially-iib-h-gas-group-group-b", "iec_designation": "IIC (partially IIB+H₂)", "north_american_designation": "Group B", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "B | IIC (partially IIB+H₂) | Hydrogen, butadiene | <0.50 mm", "url": "https://referencesource.org/ex-classification-system-crosswalk/iic-partially-iib-h-gas-group-group-b/", "verified_fields": ["iec_designation"]}
-{"basis": "Fibers and flyings", "category": "dust group", "derived_fields": ["category"], "id": "iiia-dust-group-class-iii", "iec_designation": "IIIA", "north_american_designation": "Class III", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "Gas / dust group | Typical Substances | IIC | Acetylene | Class I, Group A | Acetylene | IIB + H 2 | Hydrogen | Class I, Group B | Hydrogen | IIB | Ethylene | Class I, Group C | Ethylene | IIA | Propane | Class I, Group D | Propane | IIIC | Conductive dust | Class II, Group E | Combustible metal dust | IIIB | Non-conductive dust | Class II, Group F | Combustible carbonaceous dust | Class II, Group G | Combustible dusts not in group E or F | IIIA | Combustible flyings | Class III |", "url": "https://referencesource.org/ex-classification-system-crosswalk/iiia-dust-group-class-iii/", "verified_fields": ["iec_designation", "north_american_designation"]}
-{"basis": "Carbon dusts", "category": "dust group", "derived_fields": ["category"], "id": "iiib-dust-group-class-ii-group-f", "iec_designation": "IIIB", "north_american_designation": "Class II, Group F", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "Gas / dust group | Typical Substances | IIC | Acetylene | Class I, Group A | Acetylene | IIB + H 2 | Hydrogen | Class I, Group B | Hydrogen | IIB | Ethylene | Class I, Group C | Ethylene | IIA | Propane | Class I, Group D | Propane | IIIC | Conductive dust | Class II, Group E | Combustible metal dust | IIIB | Non-conductive dust | Class II, Group F |", "url": "https://referencesource.org/ex-classification-system-crosswalk/iiib-dust-group-class-ii-group-f/", "verified_fields": ["iec_designation", "north_american_designation"]}
-{"basis": "Metal dusts", "category": "dust group", "derived_fields": ["category"], "id": "iiic-dust-group-class-ii-group-e", "iec_designation": "IIIC", "north_american_designation": "Class II, Group E", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "Gas / dust group | Typical Substances | IIC | Acetylene | Class I, Group A | Acetylene | IIB + H 2 | Hydrogen | Class I, Group B | Hydrogen | IIB | Ethylene | Class I, Group C | Ethylene | IIA | Propane | Class I, Group D | Propane | IIIC | Conductive dust | Class II, Group E |", "url": "https://referencesource.org/ex-classification-system-crosswalk/iiic-dust-group-class-ii-group-e/", "verified_fields": ["iec_designation", "north_american_designation"]}
+{"basis": "Fibers and flyings", "category": "dust group", "derived_fields": ["category"], "id": "iiia-dust-group-class-iii", "iec_designation": "IIIA", "north_american_designation": "Class III", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "Gas / dust group | Typical Substances | IIC | Acetylene | Class I, Group A | Acetylene | IIB + H2 | Hydrogen | Class I, Group B | Hydrogen | IIB | Ethylene | Class I, Group C | Ethylene | IIA | Propane | Class I, Group D | Propane | IIIC | Conductive dust | Class II, Group E | Combustible metal dust | IIIB | Non-conductive dust | Class II, Group F | Combustible carbonaceous dust | Class II, Group G | Combustible dusts not in group E or F | IIIA | Combustible flyings | Class III |", "url": "https://referencesource.org/ex-classification-system-crosswalk/iiia-dust-group-class-iii/", "verified_fields": ["iec_designation", "north_american_designation"]}
+{"basis": "Carbon dusts", "category": "dust group", "derived_fields": ["category"], "id": "iiib-dust-group-class-ii-group-f", "iec_designation": "IIIB", "north_american_designation": "Class II, Group F", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "Gas / dust group | Typical Substances | IIC | Acetylene | Class I, Group A | Acetylene | IIB + H2 | Hydrogen | Class I, Group B | Hydrogen | IIB | Ethylene | Class I, Group C | Ethylene | IIA | Propane | Class I, Group D | Propane | IIIC | Conductive dust | Class II, Group E | Combustible metal dust | IIIB | Non-conductive dust | Class II, Group F |", "url": "https://referencesource.org/ex-classification-system-crosswalk/iiib-dust-group-class-ii-group-f/", "verified_fields": ["iec_designation", "north_american_designation"]}
+{"basis": "Metal dusts", "category": "dust group", "derived_fields": ["category"], "id": "iiic-dust-group-class-ii-group-e", "iec_designation": "IIIC", "north_american_designation": "Class II, Group E", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "Gas / dust group | Typical Substances | IIC | Acetylene | Class I, Group A | Acetylene | IIB + H2 | Hydrogen | Class I, Group B | Hydrogen | IIB | Ethylene | Class I, Group C | Ethylene | IIA | Propane | Class I, Group D | Propane | IIIC | Conductive dust | Class II, Group E |", "url": "https://referencesource.org/ex-classification-system-crosswalk/iiic-dust-group-class-ii-group-e/", "verified_fields": ["iec_designation", "north_american_designation"]}
 {"basis": "Certification body", "category": "system attribute", "derived_fields": ["category"], "id": "notified-bodies-atex-excbs-iecex-system-attribute-nrtls-ul-fm-csa", "iec_designation": "Notified Bodies (ATEX) / ExCBs (IECEx)", "north_american_designation": "NRTLs (UL, FM, CSA)", "source": "https://exknowledge.com/pages/nec-500-vs-atex-iec.html", "source_quote": "Certification body | NRTLs (UL, FM, CSA) | NRTLs | Notified Bodies (ATEX) / ExCBs (IECEx)", "url": "https://referencesource.org/ex-classification-system-crosswalk/notified-bodies-atex-excbs-iecex-system-attribute-nrtls-ul-fm-csa/", "verified_fields": ["basis", "iec_designation", "north_american_designation"]}
 {"also_reported": [{"as_of": "2026-08-06", "field": "max_surface_temperature_f", "source": "https://ldpi-inc.com/resources/classification-codes/class-1-locations/", "source_quote": "T1 | T1 | 450 | 842", "value": "842"}], "basis": "Ignition temperature of gas / dust >450", "category": "temperature code", "derived_fields": ["category"], "disagreements": [], "id": "t1-temperature-code-t1", "iec_designation": "T1", "max_surface_temperature_c": "450", "north_american_designation": "T1", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "450 | T1 | >450", "url": "https://referencesource.org/ex-classification-system-crosswalk/t1-temperature-code-t1/", "verified_fields": ["iec_designation", "max_surface_temperature_c", "north_american_designation"]}
 {"also_reported": [{"as_of": "2026-08-06", "field": "max_surface_temperature_f", "source": "https://ldpi-inc.com/resources/classification-codes/class-1-locations/", "source_quote": "T2 | T2 | 300 | 572", "value": "572"}], "basis": "Ignition temperature of gas / dust >300-450", "category": "temperature code", "derived_fields": ["category"], "disagreements": [], "id": "t2-temperature-code-t2", "iec_designation": "T2", "max_surface_temperature_c": "300", "north_american_designation": "T2", "source": "https://www.e2s.com/guide-for-hazardous-areas/gas-and-dust-groups", "source_quote": "300 | T2 | >300-450", "url": "https://referencesource.org/ex-classification-system-crosswalk/t2-temperature-code-t2/", "verified_fields": ["iec_designation", "max_surface_temperature_c", "north_american_designation"]}