Final answer:
The extinguisher rating of 2A10BC is a classification system that indicates the effectiveness of a fire extinguisher in combating specific types of fires. The '2A' rating represents its capability to extinguish Class A fires, while the '10BC' rating signifies its capability to combat Class B and Class C fires.
Step-by-step explanation:
The extinguisher rating of 2A10BC is a classification system used to determine the effectiveness of a fire extinguisher in combating specific types of fires.
The '2A' rating indicates that the extinguisher is capable of extinguishing a Class A fire, which involves ordinary combustible materials such as wood, paper, and cloth. The number '2' represents the extinguishing capability, with higher numbers indicating greater effectiveness.
The '10BC' rating indicates the extinguisher's capability to combat Class B (flammable liquids) and Class C (electrical) fires. The 'BC' rating signifies the types of fires the extinguisher is suitable for, with 'B' referring to flammable liquids like gasoline and 'C' referring to electrical fires.