When it comes to fire safety, understanding the different types of fires and how to respond to each one is essential. Whether at home, work, or in public spaces, having a reliable fire extinguisher service and knowing the proper methods to tackle a fire can make all the difference in preventing property damage or saving lives.
In this article, we’ll break down fire classifications and the best ways to extinguish them.
Introduction: Understanding Fire Classifications
Not all fires are the same. They vary based on the materials involved, and using the wrong extinguishing method can worsen the situation. Knowing the fire type helps ensure you choose the right solution to put it out quickly and safely. Being familiar with these classifications allows you to respond efficiently and avoid dangerous mistakes.
Class A Fires: Ordinary Combustibles
Common Materials:
Class A fires involve everyday materials like wood, paper, cloth, trash, and certain plastics. These are the most common fires found in homes and offices.
Extinguishing Methods:
The simplest way to handle a Class A fire is by using water fire extinguishers, which cool the burning material and stop the flames. In some cases, Foam fire extinguishers or dry chemical extinguishers are also effective, helping to smother the fire and reduce re-ignition.
Class B Fires: Flammable Liquids
Common Materials:
Class B fires involve flammable liquids such as gasoline, oil, grease, alcohol, and solvents. These fires are common in garages, kitchens, and industrial settings.
Extinguishing Methods:
You cannot use water on these fires; instead, Foam fire extinguishers are highly effective as they smother the flames and prevent oxygen from fueling the fire. Additionally, Dry powder fire extinguishers and CO2 fire extinguishers can also be used, as they disrupt the fire’s chemical reaction and cut off oxygen supply.

Class C Fires: Electrical Fires
Common Scenarios:
Class C fires occur in electrical equipment such as wiring, circuit breakers, power tools, and appliances. These fires can be especially dangerous due to the risk of electric shock.
Extinguishing Methods:
It’s important to cut off the power source for electrical fires first. Never use water, as it conducts electricity. Instead, rely on CO2 fire extinguishers or dry chemical extinguishers, which can safely smother the fire without causing electrical hazards.
Class D Fires: Combustible Metals
Common Materials:
Class D fires involve combustible metals such as magnesium, titanium, sodium, and potassium. These fires are mostly found in laboratories, factories, and manufacturing facilities.
Extinguishing Methods:
Never use water on Class D fires, which can cause violent reactions. Instead, Dry powder fire extinguishers are specifically designed for these types of fires. They work by forming a barrier between the oxygen and the burning metal, effectively extinguishing the flames.
Class K Fires: Kitchen Fires
Common Materials:
Class K fires are specific to commercial kitchens and involve cooking oils, fats, and grease. These fires are particularly dangerous because they can quickly spread and reignite.
Extinguishing Methods:
The most effective tool for Class K fires is Wet chemical fire extinguishers. These extinguishers release a solution that creates a soapy foam over the burning oil or fat, cooling it and cutting off the oxygen supply, preventing re-ignition.

General Fire Safety Tips
Fire Extinguisher Usage:
Knowing how to use a fire extinguisher is as important as having one. Remember the PASS method: Pull the pin, Aim the nozzle at the base of the fire, Squeeze the handle, and Sweep the nozzle side to side.
Smoke Detectors:
Install smoke detectors on every level of your home and near sleeping areas. Test them monthly and change the batteries at least once a year. Early detection can save lives.
Escape Plans:
Create a fire escape plan for your home or workplace. Practice it with your family or employees so everyone knows where to go and how to exit safely.
When to Call Professionals:
While having the proper tools and knowledge is essential, some fires are too large or dangerous to tackle on your own. In these cases, evacuate immediately and call emergency services. It’s better to leave it to the experts.
The Role of a Fire Sprinkler System
Beyond portable extinguishers, a fire sprinkler system can provide automatic protection and significantly reduce fire damage. These systems detect heat and release water over the affected area, controlling or extinguishing fires before they become unmanageable. A fire sprinkler system installed in commercial and residential buildings adds another layer of safety and peace of mind.
Stay Prepared with Proper Fire Knowledge
Understanding the different types of fires and how to handle them is essential for safety at home and in the workplace. From using the correct extinguishers to having a reliable fire extinguisher service, preparation can save lives and protect property. Regular inspections, maintenance, and proper training ensure you’re ready for emergencies. Always stay alert, have safety plans, and rely on professional services when needed.
Ensure your safety with professional fire extinguisher service from LHR Fire Protection. We provide expert inspections, maintenance, and fire safety solutions for homes and businesses. Contact us today!