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------------------------------------------------ What kinds of fires is a B:C extinguisher not good for?

1) Class A fires
2) Class C fires
3) Class D fires
4) Class K fires

A B:C extinguisher is not suitable for Class A fires, which involve ordinary combustible materials such as wood, paper, or cloth. Class A fires require extinguishers that are specifically designed to cool and extinguish these types of fires.

In addition, a B:C extinguisher should not be used on Class D fires, which involve combustible metals like magnesium or potassium. Class D fires require specialized extinguishing agents with unique properties to effectively suppress them.

Furthermore, a B:C extinguisher is not recommended for Class K fires, which are kitchen fires involving cooking oils, greases, and fats. Class K fires necessitate the use of extinguishers specifically formulated to address the unique characteristics of these fires.

However, a B:C extinguisher is suitable for Class C fires, which are fires involving electrical equipment. The B:C rating signifies that the extinguishing agent is non-conductive and safe to use on energized electrical fires.

Learn more about Types of Fires here:

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