Attributes . UL Class I, Division 1, Groups A, B, C, and D, in the Temperature Class T4, Class II, Division 1, Groups E, F, and G, in the Temperature Class T4, Class II, Division 1, Groups E, F, and G, in the Temperature Class T4, Class I, Zone 0, AEx ia IIC, in the Temperature Class T4, Class I, Zone 1, AEx d ia II C, in the Temperature Class T4, with IR sensor CSA Class I, Division 1, Groups A, B, C, and D, in the Temperature Class T4, Class I, Zone 1, Ex d ia IIC, in the Temperature Class T4Class I, Zone 0, AEx ia IIC, in the Temperature Class T4Class I, Zone 1, AEx d ia II C, in the Temperature Class T4, with IR sensorClass II, Division 1, Groups E, F, and G, in the Temperature Class T4Class I, Zone 0, AEx ia IIC, in the Temperature Class T4Class I, Zone 1, AEx d ia II C, in the Temperature Class T4, with IR sensorCSA Class I, Division 1, Groups A, B, C, and D, in the Temperature Class T4Class I, Zone 1, Ex d ia IIC, in the Temperature Class T4 . Names