So www.mikeholt.com. Depending on 2023 NEC.
Question: The dangerous (classified) sites must be classified depending on the _____ properties that can be present, and the possibility of a concentration or a flammable amount or their combustion.
A) Fadmable or combustible fumes
B) Flammable gases
C) Combustable dust or fiber/airline
D) All of these
See the answer below.
Answer: D) All this
According to a second. 500.5 (A) (1), “The sites must be classified depending on the properties of flammable crows, liquid flammable steam, combustible liquid fumes, combustible dust, fiber/airline that can be present, and the possibility that there is a flow or investment or quantitative concentration.”
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