Hazcon 200

Find out the correct International (IECEx), Europe (ATEX) and North American (for both Zone and Division systems) markings per each hazardous location protection technique.

The clear and correct markings of Ex equipment in the product name-plate and certificate will help the end users to procure and install the Ex equipment in hazardous areas correctly. However,   unclear markings can result in missing the target clients of the Ex equipment and may lead to a wrong installation in the field.

If you would like to find out the correct International (IECEx), Europe (ATEX) and North American (for both Zone and Division systems) markings per each hazardous location protection technique, try our free and user-friendly Hazcon200 app and get accurate results in 10 seconds. This app provides a report of accurate markings for different types of certification and area classifications.

Try the Hazcon 200 app for FREE below:

    Explosion Protection Techniques:

    Equipment Protection Level (EPL):
    Equipment Protection Level (EPL):
    Equipment Protection Level (EPL):
    Equipment Protection Level (EPL):
    Equipment Protection Level (EPL):
    Equipment Protection Level (EPL):
    Equipment Protection Level (EPL):

    Please see your report below:

    • Equipment Protection Technique: Intrinsic Safety (Ex ia)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 0 (Ga)

    Markings:

    • IECEx: Ex ia IIC T6 Ga
    • ATEX (Category 1): II 1G Ex ia IIC T6 Ga
    • USA (Zone Marking): Class I, Zone 0, AEx ia IIC T6 Ga
    • CAN (Zone Marking): Ex ia IIC T6 Ga
    • CAN & USA (Division Marking): Class I, Division 1, Groups A, B, C, D; T6 (IS)
       
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 – Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-11, UL 913, FM 3610.

    Please see your report below:

    • Equipment Protection Technique: Intrinsic Safety (Ex ib)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 1 (Gb)

    Markings:

    • IECEx: Ex ib IIC T6 Gb
    • ATEX (Category 2): II 2G Ex ib IIC T6 Gb
    • USA (Zone Marking): Class I, Zone 1, AEx ib IIC T6 Gb
    • CAN (Zone Marking): Ex ib IIC T6 Gb
    • CAN & USA (Division Marking): Class I, Division 2, Groups A, B, C, D; T6
      •  Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-11, UL121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Intrinsic Safety (Ex ic)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 2 (Gc)

    Markings:

    • IECEx: Ex ic IIC T6 Gc
    • ATEX (Category 3): II 3G Ex ic IIC T6 Gc
    • USA (Zone Marking): Class I, Zone 2, AEx ic IIC T6 Gc
    • CAN (Zone Marking): Ex ic IIC T6 Gc
    • CAN & USA (Division Marking): Class I, Division 2, Groups A, B, C, D; T6
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-11, UL121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Intrinsic Safety (Ex ia)
    • Flammable Substance: Group III (Dusts)
    • Equipment Protection Level (EPL): Zone 20 (Da)

    Markings:

    • IECEx: Ex ia IIIC T85°C Da
    • ATEX (Category 1): II 1D Ex ia IIIC T85°C Da
    • USA (Zone Marking): Zone 20, AEx ia IIIC T85°C Da
    • CAN (Zone Marking): Ex ia IIIC T85°C Da
    • CAN & USA (Division Marking): Class II, Division I, Groups E, F, G
      • Note 1 - Group III (Dusts) subdivisions: IIIC, IIIB, IIIA.
      • Note 2 - Temperature Class is shown as a temperature value in degree of Celsius.  
      • Note 3 - Group IIIC and maximum surface temperature of T85°C were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-11, UL 913.

    Please see your report below:

    • Equipment Protection Technique: Intrinsic Safety (Ex ib)
    • Flammable Substance: Group III (Dusts)
    • Equipment Protection Level (EPL): Zone 21 (Db)

    Markings:

    • IECEx: Ex ib IIIC T85°C Db
    • ATEX (Category 2): II 2D Ex ib IIIC T85°C Db
    • USA (Zone Marking): Zone 21, AEx ib IIIC T85°C Db
    • CAN (Zone Marking): Ex ib IIIC T85°C Db
    • CAN & USA (Division Marking): Class II, Division 2, Groups F, G
      • Note 1 - Group III (Dusts) subdivisions: IIIC, IIIB, IIIA.
      • Note 2 - Temperature Class is shown as a temperature value in degree of Celsius.  
      • Note 3 - Group IIIC and maximum surface temperature of T85°C were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-11, UL 913.

    Please see your report below:

    • Equipment Protection Technique: Intrinsic Safety (Ex ic)
    • Flammable Substance: Group III (Dusts)
    • Equipment Protection Level (EPL): Zone 22 (Dc)

    Markings:

    • IECEx: Ex ic IIIC T85°C Dc
    • ATEX (Category 3): II 3D Ex ic IIIC T85°C Dc
    • USA (Zone Marking): Zone 22, AEx ic IIIC T85°C Dc
    • CAN (Zone Marking): Ex ic IIIC T85°C Dc
    • CAN & USA (Division Marking): Class II, Division 2, Groups F, G
      • Note 1 - Group III (Dusts) subdivisions: IIIC, IIIB, IIIA.
      • Note 2 - Temperature Class is shown as a temperature value in degree of Celsius.  
      • Note 3 - Group IIIC and maximum surface temperature of T85°C were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-11, UL 913.

    Please see your report below:

    • Equipment Protection Technique: Flameproof (Ex db)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 1 (Gb)

     

    Markings:

    • IECEx: Ex db IIC T6 Gb
    • ATEX (Category 2): II 2G Ex db IIC T6 Gb
    • USA (Zone Marking): Class I, Zone 1, AEx db IIC T6 Gb
    • CAN (Zone Marking): Ex db IIC T6 Gb
    • CAN & USA (Division Marking): Class I, Division 1, Groups A, B, C, D; T6 (Refer to Note 5*)
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-1.
      • Note 5* – For Class I, Division 1 (XP) marking standards CSA C22.2 No. 30, UL 1203 or FM 3615 arF required.

    Please see your report below:

    • Equipment Protection Technique: Flameproof (Ex dc)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 2 (Gc)

     

    Markings:

    • IECEx: Ex dc IIC T6 Gc
    • ATEX (Category 3): II 3G Ex dc IIC T6 Gc
    • USA (Zone Marking): Class I, Zone 2, AEx dc IIC T6 Gc
    • CAN (Zone Marking): Ex dc IIC T6 Gc
    • CAN & USA (Division Marking): Class I, Division 2, Groups A, B, C, D; T6
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-1, UL121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Increased Safety (Ex eb)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 1 (Gb)

     

    Markings:

    • IECEx: Ex eb IIC T6 Gb
    • ATEX (Category 2): II 2G Ex eb IIC T6 Gb
    • USA (Zone Marking): Class I, Zone 1, AEx eb IIC T6 Gb
    • CAN (Zone Marking): Ex eb IIC T6 Gb
    • CAN & USA (Division Marking): Class I, Division 2, Groups A, B, C, D; T6
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-7, UL121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Increased Safety (Ex ec)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 2 (Gc)

     

    Markings:

    • IECEx: Ex ec IIC T6 Gc
    • ATEX (Category 3): II 3G Ex ec IIC T6 Gc
    • USA (Zone Marking): Class I, Zone 2, AEx ec IIC T6 Gc
    • CAN (Zone Marking): Ex ec IIC T6 Gc
    • CAN & USA (Division Marking): Class I, Division 2, Groups A, B, C, D; T6
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-7, UL 121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Non-Sparking (Ex nA)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 2 (Gc)

     

    Markings:

    • IECEx: Ex nA IIC T6 Gc
    • ATEX (Category 3): II 3G Ex nA IIC T6 Gc
    • USA (Zone Marking): Class I, Zone 2, AEx nA IIC T6 Gc
    • CAN (Zone Marking): Ex nA IIC T6 Gc
    • CAN & USA (Division Marking): Class I, Division 2, Groups A, B, C, D; T6
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-15, UL 121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Sealed Devices (Ex nC)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 2 (Gc)

     

    Markings:

    • IECEx: Ex nC IIC T6 Gc
    • ATEX (Category 3): II 3G Ex nC IIC T6 Gc
    • USA (Zone Marking): Class I, Zone 2, AEx nC IIC T6 Gc
    • CAN (Zone Marking): Ex nC IIC T6 Gc
    • CAN & USA (Division Marking): Class I, Division 2, Groups A, B, C, D; T6
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-15, UL 121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Pressurized (Ex pxb)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 1 (Gb)

     

    Markings:

    • IECEx: Ex pxb IIC T6 Gb
    • ATEX (Category 2): II 2G Ex pxb IIC T6 Gb
    • USA (Zone Marking): Class I, Zone 1, AEx pxb IIC T6 Gb
    • CAN (Zone Marking): Ex pxb IIC T6 Gb
    • CAN & USA (Division Marking): Class I, Division 1, Groups A, B, C, D; T6; Type X Purge*
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-2, NFPA 496*.

    Please see your report below:

    • Equipment Protection Technique: Pressurized (Ex pyb)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 1 (Gb)

     

    Markings:

    • IECEx: Ex pyb IIC T6 Gb
    • ATEX (Category 2): II 2G Ex pyb IIC T6 Gb
    • USA (Zone Marking): Class I, Zone 1, AEx pyb IIC T6 Gb
    • CAN (Zone Marking): Ex pyb IIC T6 Gb
    • CAN & USA (Division Marking): Class I, Division 1, Groups A, B, C, D; T6; Type Y Purge*
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-2, NFPA 496*.

    Please see your report below:

    • Equipment Protection Technique: Pressurized (Ex pzc)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 2 (Gc)

     

    Markings:

    • IECEx: Ex pzc IIC T6 Gc
    • ATEX (Category 3): II 3G Ex pzc IIC T6 Gc
    • USA (Zone Marking): Class I, Zone 2, AEx pzc IIC T6 Gc
    • CAN (Zone Marking): Ex pzc IIC T6 Gc
    • CAN & USA (Division Marking): Class I, Division 2, Groups A, B, C, D; T6; Type Z Purge*
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-2, NFPA 496*.

    Please see your report below:

    • Equipment Protection Technique: Encapsulation (Ex ma)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 0 (Ga)

     

    Markings:

    • IECEx: Ex ma IIC T6 Ga
    • ATEX (Category 1): II 1G Ex ma IIC T6 Ga
    • USA (Zone Marking): Class I, Zone 0, AEx ma IIC T6 Ga
    • CAN (Zone Marking): Ex ma IIC T6 Ga
    • CAN & USA (Division Marking): Class I, Division 1, Groups A, B, C, D; T6;
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-18.

    Please see your report below:

    • Equipment Protection Technique: Encapsulation (Ex mb)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 1 (Gb)

     

    Markings:

    • IECEx: Ex mb IIC T6 Gb
    • ATEX (Category 2): II 2G Ex mb IIC T6 Gb
    • USA (Zone Marking): Class I, Zone 1, AEx mb IIC T6 Gb
    • CAN (Zone Marking): Ex mb IIC T6 Gb
    • CAN & USA (Division Marking): Class I, Division 2, Groups A, B, C, D; T6;
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-18, UL121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Encapsulation (Ex mc)
    • Flammable Substance: Group II (Gas & Vapour)
    • Equipment Protection Level (EPL): Zone 2 (Gc)

     

    Markings:

    • IECEx: Ex mc IIC T6 Gc
    • ATEX (Category 3): II 3G Ex mc IIC T6 Gc
    • USA (Zone Marking): Class I, Zone 2, AEx mc IIC T6 Gc
    • CAN (Zone Marking): Ex mc IIC T6 Gc
    • CAN & USA (Division Marking): Class I, Division 2, Groups A, B, C, D; T6;
      • Note 1 - Group II (Gas) subdivisions: IIC, IIB, IIA.
      • Note 2 - Symbol indicating the Temperature Classes: T1, T2, T3, T4, T5, T6.
      • Note 3 - Group IIC and Temperature Class T6 were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-18, UL121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Encapsulation (Ex ma)
    • Flammable Substance: Group III (Dusts)
    • Equipment Protection Level (EPL): Zone 20 (Da)

     

    Markings:

    • IECEx: Ex ma IIIC T85°C Da
    • ATEX (Category 1): II 1D Ex ma IIIC T85°C Da
    • USA (Zone Marking): Zone 20, AEx ma IIIC T85°C Da
    • CAN (Zone Marking): Ex ma IIIC T85°C Da
    • CAN & USA (Division Marking): Class II, Division 1, Groups E, F, G;
      • Note 1 - Group III (Dusts) subdivisions: IIIC, IIIB, IIIA.
      • Note 2 - Temperature Class is shown as a temperature value in degree of Celsius.  
      • Note 3 - Group IIIC and maximum surface temperature of T85°C were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-18, CSA C22.2 No. 25, UL 1203, FM 3616.

    Please see your report below:

    • Equipment Protection Technique: Encapsulation (Ex mb)
    • Flammable Substance: Group III (Dusts)
    • Equipment Protection Level (EPL): Zone 21 (Db)

     

    Markings:

    • IECEx: Ex mb IIIC T85°C Db
    • ATEX (Category 2):II 2D Ex mb IIIC T85°C Db
    • USA (Zone Marking): Zone 21, AEx mb IIIC T85°C Db
    • CAN (Zone Marking): Ex mb IIIC T85°C Db
    • CAN & USA (Division Marking): Class II, Division 2, Groups F, G;
      • Note 1 - Group III (Dusts) subdivisions: IIIC, IIIB, IIIA.
      • Note 2 - Temperature Class is shown as a temperature value in degree of Celsius.  
      • Note 3 - Group IIIC and maximum surface temperature of T85°C were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-18, UL121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Encapsulation (Ex mc)
    • Flammable Substance: Group III (Dusts)
    • Equipment Protection Level (EPL): Zone 22 (Dc)

    Markings:

    • IECEx: Ex mc IIIC T85°C Dc
    • ATEX (Category 3): II 3D Ex mc IIIC T85°C Dc
    • USA (Zone Marking): Zone 22, AEx mc IIIC T85°C Dc
    • CAN (Zone Marking): Ex mc IIIC T85°C Dc
    • CAN & USA (Division Marking): Class II, Division 2, Groups F, G;
      • Note 1 - Group III (Dusts) subdivisions: IIIC, IIIB, IIIA.
      • Note 2 - Temperature Class is shown as a temperature value in degree of Celsius.  
      • Note 3 - Group IIIC and maximum surface temperature of T85°C were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-18, UL121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Dust Protected (Ex ta)
    • Flammable Substance: Group III (Dusts)
    • Equipment Protection Level (EPL): Zone 20 (Da)

     

    Markings:

    • IECEx: Ex ta IIIC T85°C Da
    • ATEX (Category 1): II 1D Ex ta IIIC T85°C Da
    • USA (Zone Marking): Zone 20, AEx ta IIIC T85°C Da
    • CAN (Zone Marking): Ex ta IIIC T85°C Da
    • CAN & USA (Division Marking): Class II, Division 1, Groups E, F, G;
      • Note 1 - Group III (Dusts) subdivisions: IIIC, IIIB, IIIA.
      • Note 2 - Temperature Class is shown as a temperature value in degree of Celsius.  
      • Note 3 - Group IIIC and maximum surface temperature of T85°C were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-31, CSA C22.2 No. 25, UL 1203, FM 3616.

    Please see your report below:

    • Equipment Protection Technique: Dust Protected (Ex tb)
    • Flammable Substance: Group III (Dusts)
    • Equipment Protection Level (EPL): Zone 21 (Db)

     

    Markings:

    • IECEx: Ex tb IIIC T85°C Db
    • ATEX (Category 2): II 2D Ex tb IIIC T85°C Db
    • USA (Zone Marking): Zone 21, AEx tb IIIC T85°C Db
    • CAN (Zone Marking): Ex tb IIIC T85°C Db
    • CAN & USA (Division Marking): Class II, Division 2, Groups F, G
      • Note 1 - Group III (Dusts) subdivisions: IIIC, IIIB, IIIA.
      • Note 2 - Temperature Class is shown as a temperature value in degree of Celsius.  
      • Note 3 - Group IIIC and maximum surface temperature of T85°C were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-31, UL121201/CSA C22.2 No. 213.

    Please see your report below:

    • Equipment Protection Technique: Dust Protected (Ex tc)
    • Flammable Substance: Group III (Dusts)
    • Equipment Protection Level (EPL): Zone 22 (Dc)

     

    Markings:

    • IECEx: Ex tc IIIC T85°C Dc
    • ATEX (Category 3): II 3D Ex tc IIIC T85°C Dc
    • USA (Zone Marking): Zone 22, AEx tc IIIC T85°C Dc
    • CAN (Zone Marking): Ex tc IIIC T85°C Dc
    • CAN & USA (Division Marking): Class II, Division 2, Groups F, G
      • Note 1 - Group III (Dusts) subdivisions: IIIC, IIIB, IIIA.
      • Note 2 - Temperature Class is shown as a temperature value in degree of Celsius.  
      • Note 3 - Group IIIC and maximum surface temperature of T85°C were chosen for this demonstration.
      • Note 4 - References: IEC/EN/UL/CSA 60079-0 & 60079-31, UL121201/CSA C22.2 No. 213.
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