What is Class I, Division 2?

The Canadian Standards Association and Intertek define Class I, Division 2 as:

Class l: A location made hazardous by the presence of flammable gases or vapors that may be present in the air in quantities sufficient to produce an explosive or ignitable mixture (NEC 500).

Division 2: A location where a classified hazard does not normally exist but is possible to appear under abnormal conditions.

ETL Listed Mark: The ETL (Electrical Testing Laboratories) Listed Mark is a widely-recognized proof that products have been independently tested and meet the applicable published standards (per Intertek).