Courtesy of www.MikeHolt.com. Based on the 2023 NEC. Question: Class I, Division 1 locations are those areas in which ignitible concentrations of _____ can exist under normal operating conditions.
A hazardous (classified) location is an area (not necessarily room or building) where the possibility of fire or explosion exists due to the presence of flammable or combustible vapors, or flammable ...
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