For the purpose of this chapter, flammable liquids are classified as follows:
A.
Class I: liquids having a flash point below 25° F., closed-cup tester. Examples of such are ether, gasoline, naphtha and benzol, etc.
B.
Class II: liquids having a flash point above that for Class I and below 70° F., closed-cup tester. Examples of such are alcohol and amyl acetate, etc.
C.
Class III: liquids having a flash point above that for Class I and Class II and below 200° F., closed-cup tester. Examples of such are fuel oils and kerosene.