Understand Electrical Exam Hazardous Location Zone Classifications
Hazardous location classification questions on the electrical exam address classes, divisions and zones. Can you answer the following question with ease? Question: Is a location in which ignitible concentrations of combustible dust or ignitible fibers/flyings are present continuously, and or ignitible concentrations of combustible dust or ignitible fibers/flyings are present for long periods of time […]