According to national standards, fires are divided into six categories according to the burning objects.

Class A fire: solid material fire. This substance usually has the nature of organic matter, and it can generally produce glowing embers when burned.

Class B fire: fire of liquid or meltable solid substance.

Class C fire: gas fire.

Class d fire: metal fire.

Class e fire: live fire. A fire in which an object burns with electricity.

F-class fire: fire of cooking materials (such as animal and vegetable oils) in cookers.

Extended information ABC fire fighting generally uses portable dry powder fire extinguishers.

Portable dry powder fire extinguisher has the characteristics of simple structure, flexible operation, convenient use, fast fire extinguishing speed, high efficiency and continuous or intermittent spraying.

Scope of application: Class A extinguishes ordinary solid fire. Class b fire extinguishing liquid fire. Class c fire extinguishing gas and steam fire. Fires involve live electrical equipment.

It is an ideal fire extinguishing equipment for factories, institutions, schools, hotels and various vehicles. Portable ABC dry powder fire extinguisher series products are small fire extinguishing equipment with novel structure, high fire extinguishing efficiency, simple operation and convenient carrying, and have the advantages of non-toxicity, non-corrosion and easy cleaning after use.

Baidu encyclopedia-fire extinguisher