What symbol on a fire extinguisher indicates it is safe to use on electrical fires?

• A. A square
• B. A triangle
• C. A circle
• D. A star

Answer: (C)

The symbol on a fire extinguisher that indicates it is safe to use on electrical fires is represented by a circle. This circular symbol specifically denotes that the extinguisher is suitable for use on electrical fires, which fall under Class C fires. Class C fires involve energized electrical equipment, and using the wrong type of extinguisher can pose serious safety risks, including the risk of electrocution. The circular symbol helps users quickly identify the appropriate extinguisher to use when faced with such situations, ensuring safety and effective firefighting efforts. Understanding these symbols is crucial for proper emergency responses in environments where electrical equipment is present.