Final answer:
The correct fire extinguisher for electrical fires is Type C, which is designed to safely extinguish fires involving electrical equipment without conducting electricity.
Step-by-step explanation:
The category of fire extinguisher intended for use on electrical fires is Type C. This type of fire extinguisher is designed to combat fires involving energized electrical equipment without conducting electricity back to the user, making them safe for tackling fires in electrical panels, motors, or appliances. It's essential to use the correct fire extinguisher type to ensure both the effectiveness in putting out the fire and user safety.