Which extinguisher color is typically used for multi-class fires including A, B and C?

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Multiple Choice

Which extinguisher color is typically used for multi-class fires including A, B and C?

Understanding extinguisher color codes helps you choose the right tool for different fire types. For fires involving ordinary combustibles (A), flammable liquids (B), and live electrical equipment (C), the most versatile option is a dry chemical powder extinguisher. In typical color-coding schemes, blue identifies dry powder extinguishers, which work across A, B and C because the powder coats fuels, helps separate fuel from air, and is non-conductive enough to be used on electrical fires when it’s safe to approach. Therefore the color associated with a multi-class extinguisher is blue. If you think in terms of the extinguishing agent rather than color, dry powder is the extinguisher type for A, B and C.

Understanding extinguisher color codes helps you choose the right tool for different fire types. For fires involving ordinary combustibles (A), flammable liquids (B), and live electrical equipment (C), the most versatile option is a dry chemical powder extinguisher. In typical color-coding schemes, blue identifies dry powder extinguishers, which work across A, B and C because the powder coats fuels, helps separate fuel from air, and is non-conductive enough to be used on electrical fires when it’s safe to approach. Therefore the color associated with a multi-class extinguisher is blue. If you think in terms of the extinguishing agent rather than color, dry powder is the extinguisher type for A, B and C.

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