When using a Class ABC fire extinguisher, follow these guidelines: Pull the pin, aim the nozzle at the base of the fire, squeeze the handle, and sweep from side to side. Make sure to stand at a safe distance and never turn your back on the fire.
The steps to take for using an extinguisher for a Class A fire include pulling the pin, aiming low on the fire, squeezing the trigger, and sweeping from side to side across the fire.
It is the Class C fires that invlove electrically energized equipments, and they are suppressed using CO2 extinguishers or dry chemical extinguishers. Certainly the use of water or water-based extinguishers or other water-based suppression equipment is not to be considered.
For a saucepan of fat on fire, you should use a Class K fire extinguisher, which is specifically designed for cooking oils and fats. Alternatively, a Class B extinguisher can also be effective, but it's important to avoid using water, as it can cause the fire to spread. If an appropriate extinguisher is not available, you can also smother the flames with a metal lid or a fire blanket.
Get the extinguisher and have a good grip on it, pull the pin out of the handle, pull the hose/pipe/tube out if it has one, aim towards the center of the fire. Also, please make sure you are using the proper extinguisher type.
A Class D fire involving combustible metals like magnesium or titanium should be extinguished using a specialized Class D fire extinguisher designed for metal fires.
Get the extinguisher refilled, or replaced as soon as possible.
Direct the extinguisher at the base of the flames using a sweeping motion
A class C fire involves energized electrical equipment. It should not be extinguished using water, as it can conduct electricity and cause electrocution. To extinguish a class C fire, it is recommended to use a dry chemical or carbon dioxide fire extinguisher designed for use on electrical fires.
For a small fire involving old bulk mold grease, a Class K fire extinguisher is recommended, as it is specifically designed for kitchen fires involving cooking oils and greases. If a Class K extinguisher is not available, a Class B extinguisher can also be used, as it is suitable for flammable liquids. It's important to avoid using water, as it can spread the fire and make it worse. Always prioritize safety and evacuate if the fire grows out of control.
Baking Soda & Class-C or ABC Fire ExtinguisherIf a fire extinguisher is not available and the fire is small, dousing it with enough baking soda can put it out. If you have one, use a class-C or multi-purpose ABC fire extinguisher to put out the flames. You can not use any other kind of fire extinguisher on an electrical fire (the extinguisher should be clearly marked, but if it's not and you're not sure what kind it is, don't use it)NEVER-EVER-EVER-use water on an electrical fire as it could cause electrocution-use a class-A fire extinguisher on an electrical fire.
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A Class A, B, C, or ABC fire extinguisher works wonders on several different types of fires. A is good for wood, paper, etc. B is good for liquids. C is good for electrical fires. Do not use a Class D, for these are best on metals (such as magnesium).