According to the USCG classification, a portable fire extinguisher is classified as what Roman numerals?

A portable fire extinguisher is classified as Class I and Class II according to the USCG (United States Coast Guard) classification system. Class I typically encompasses extinguishers suitable for flammable liquids and gases, while Class II covers those designed for fires involving ordinary combustibles like wood and paper. This classification indicates that these extinguishers are versatile and can effectively tackle a broader range of fire scenarios.

In terms of fire fighting, understanding the classifications aids personnel in choosing the right extinguisher for specific fire types, ensuring that the response is effective and safe. Recognizing the different classifications helps reinforce the importance of proper training and equipment selection in fire safety practices.

The other options mention combinations that do not accurately reflect the classifications set by the USCG, emphasizing the significance of knowing the correct classifications to prevent misuse of equipment in emergency situations.