The colored background for a _____ extinguisher is a blue circle.

The colored background for a _____ extinguisher is a blue circle.

• A. Class A
• B. Class B
• C. Class C
• D. Class D

Answer: (C)

Understanding how extinguishers are color-coded helps you pick the right one quickly. In this color scheme, a blue circular background identifies an extinguisher designed for electrical fires. These Class C extinguishers use non-conductive agents so they can be used on energized electrical equipment without conducting electricity. That’s why the blue circle is the best match for fires involving electrical equipment. Other hazards use different background colors, guiding you to the appropriate extinguisher for those types of fires.

Understanding how extinguishers are color-coded helps you pick the right one quickly. In this color scheme, a blue circular background identifies an extinguisher designed for electrical fires. These Class C extinguishers use non-conductive agents so they can be used on energized electrical equipment without conducting electricity. That’s why the blue circle is the best match for fires involving electrical equipment. Other hazards use different background colors, guiding you to the appropriate extinguisher for those types of fires.