What color circle signifies a Class C fire extinguisher?

A Class C fire extinguisher is used for fires that involve energized electrical equipment. The color blue signifies that the extinguisher is specifically designed for this type of fire. This color coding helps individuals quickly identify the appropriate extinguisher to use in an electrical fire situation, as using the wrong type could result in additional hazards or complications. The color coding system for fire extinguishers is a standardized method to ensure safety and efficiency in emergency situations, making it crucial for anyone trained in fire safety to be familiar with the color associated with each class of fire extinguisher.