HSE HUB › Question of the Day archive › 24 July 2026
ASP practice question: Hazardous (classified) locations
Question of the Day for Friday, 24 July 2026
ASP · Fire Prevention and Protection
Answer in HSE HUB Pro
Under the NEC Class/Division system, a location where ignitable concentrations of flammable gas exist continuously or for long periods under normal operation is:
AClass I, Division 2, flammable gas present only under abnormal conditions
BClass II, Division 1, combustible dust present under normal operating conditions
CClass III, Division 2, ignitable fibers present only under abnormal conditions
DClass I, Division 1, flammable gas present under normal operating conditions
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