welcome to fire alarm.com I'm Laura today we will be talking about different types of fire extinguishers how they function and when to use them fire extinguishers are essential tools for controlling and extinguishing fires and they come in various types each design to combat specific classes of fires in 2023 there are five classes of fires in the U.S and they are as follows Class A combustible materials Class B flammable gases class c electrical equipment class D burning Metals Class K cooking oils and fats here are the most common types of fire extinguishers and what classes they should be used for let's get into it water fire extinguishers Class A these extinguishers are effective against fires involving ordinary combustible materials such as wood paper textiles and some Plastics they work by cooling the fire and reducing the temperature below its ignition point but be aware that water extinguishers should not be used on Fires involving flammable liquids electrical equipment or cooking oils water fire extinguishers are available for purchase on fire alarm.com right now foam fire extinguishers Class A and B foam extinguishers are suitable for class A and B fires Class A refers to ordinary combustible materials while Class B involves flammable gases like gasoline oils and solvents the foam Smothers the fire and prevents reignition and should not be used on electrical fires foam fire extinguishers are available for purchase on fire alarm.com right now carbon dioxide CO2 fire extinguishers Class B and C CO2 extinguishers are effective against fires involving flammable gases and electrical equipment the CO2 displaces oxygen suffocating the fire they are non-conductive and leave no residue making them safe for use on electrical equipment CO2 fire extinguishers are available for purchase on fire alarm.com right now dry chemical powder fire extinguishers Class A B and C these extinguishers are versatile and can be used on Class A B and C Fires they contain a dry chemical powder typically monoammonium phosphate or sodium bicarbonate which works by interrupting the chemical reaction of the fire they are effective against ordinary combustibles flammable gases and electrical fires dry chemical powder fire extinguishers are available for purchase on fire alarm.com right now wet chemical fire extinguishers Class A and K what chemical extinguishers are specifically designed for kitchen fires involving cooking oils and fats they contain a special solution that reacts with burning oil to form a soapy substance which cools and suppresses the fire they also create a barrier to prevent reignition wet chemical fire extinguishers are available for purchase on fire alarm.com right now clean agent fire extinguishers Class B and C clean agent extinguishers are non-conductive and non-coercive Gases such as Halon Halon carbon or Halon alternatives to extinguish fires involving flammable liquids and electrical equipment they are commonly found in areas where water or dry chemical agents could damage sensitive equipment clean agent fire extinguishers are available for purchase on fire alarm.com right now it's important to note that fire extinguishers are labeled with symbols indicating the class of fire that they can be used on they also have numerical ratings that indicate the relative extinguishing capabilities remember it is crucial to use the appropriate fire extinguisher for the type of fire that you are dealing with improper use can worsen the situation or post additional risks regular maintenance and inspections are also essential to ensure that fire extinguishers are functional and ready for use when needed fire alarm.com has a huge selection of fire extinguishers of all shapes and sizes according to your applications our top brands include amrex First Alert Badger and so much more if you have any questions you can give us a call at 888-497-0290 or email us at salesfirealarm.com if you've enjoyed this video be sure to hit the Thumbs Up And subscribe to our channel for the latest on all things fire alarm as well as futurefire alarm.com updates fire alarm.com The Trusted source for Fire and Life Safety