Class 2 Division 2, also commonly written with a Roman numeral “Class ii Division 2”, represents an area where combustible dust may be present in quantities sufficient to ignite or
Understanding Class 2 Division 1 HVAC Specifications

Class 2 Division 1, also know with Roman numerals Class ii Division 1, represents an area where combustible dust may be present in quantities sufficient to ignite or explode.
Understanding Class 1 Division 1 HVAC

Understanding Class 1 Division 1 HVAC The Class 1 Division 1 (or it’s roman numeral equivalent Class i Division 1) classification defines a specific hazardous location in which ignitible flammable
Is Class 3 Division 1 Right for Me

Class 3 Division 1 is an area where ignitible fibers/flyings are manufactured, handled or used, such as within textile mills or clothing manufacturing plants, facilities that create sawdust and flyings