types of fire extinguishers and when to use them
Your fire extinguishers should have ABC ratings on them. Here are the most common types of fire extinguishers: 1  Water extinguishers or APW extinguishers (air-pressurized water) are suitable for class A fires only.2  Never use a water extinguisher on grease fires, electrical fires or class D fires-the flames will spread and make the fire bigger!t is vital to know what type of extinguisher you are using. Using the wrong type of extinguisher for the wrong type of fire can be life-threatening. These are only the common types of fire extinguishers. There are many others to choose from.