____ locations are those that are hazardous because of the presence of combustible dust.
A) Class I
B) Class II
C) Class III
D) Class IV

Question

Quizplus · Accepted Answer

Class II locations are hazardous due to the presence of combustible dust. Class I locations are hazardous due to the presence of flammable gases or vapors, Class III locations are hazardous due to the presence of ignitable fibers, and Class IV locations are hazardous due to the presence of easily ignitable materials.

____ Locations Are Those That Are Hazardous Because of the Presence