CO2 fire extinguishers and Dry Chemical Fire Extinguisher are both used for Electrical Equipment Fires.Ĭlass D Fire Extinguisher is used for Class D Fires. Never use water on an electrical fire due to the risk of electrocution. These are Electrical Fires such as appliances, wiring, circuit breakers and outlets. CO2 Carbon Dioxide Fire Extinguisher and Dry Chemical Fire Extinguishers are both labeled Class B Fire Extinguishers.Ĭlass C Fire Extinguisher is used for Class C Fires. These are flammable liquid fires including Oils, Gasolines, and paints. Never use a Class A fire extinguisher on flammable liquids or electrical fires as the extinguisher will spread the fire or electrocution could occur.Ĭlass B Fire Extinguisher is used for Class B Fires. An Air pressurized Water (APW) Fire Extinguisher is labeled a Class A Fire Extinguisher. The fire includes paper, cloth, wood, rubber and plastics. These fires are considered Ordinary Combustibles. Used in conjunction with a fire suppression systemĬlass A Fire Extinguisher is used for Class A Fires. Type K Commercial kitchen Fire Extinguisher It is vital that you use the correct fire extinguisher for the fire as using the wrong type of fire extinguisher could be life threatening. The Underwriters Laboratory (UL) rates fire extinguishers to be used on certain types of fires. Square feet of fire the extinguisher can extinguish.

The number next to B and C is a measure of The number next to the letter A ranges can from 1 to 40, which is the waterĮquivalency for extinguishers. The alpha numerical ratings are the UL performance andĮffectiveness designation, this is another way of saying how effective theĮxtinguisher will be in different types of fires. Rated fireĮxtinguishers are tested by the Underwriters Laboratory (UL) for safety and and larger may come equipped with wheels since they maybe to heavy to liftĮach rated fire extinguisher label has a UL rating. Sizes and capacities can range from 2.5 lb.

The capacity or size of a fire extinguisher indicates the amount ofĮxtinguishing agent it is capable of holding usually measured in pounds. The Capacity, Class of Fire and the UL Rating.

There are three ratings to look at when selecting a fireĮxtinguisher.

Class of fires abcd