What does ABC mean on a fire extinguisher?

Answered Oct 16, 2019. ABC ratings on portable fire extinguishers means a multipurpose extinguishers that can extinguish classes A(ordinary combustibles) B(flammable liquids and gases) and C (energized electrical equipments) also consider any fire involving uncharged class C equipments are treated as class A.Click to see full answer. Herein, what does ABC stand for in fire extinguishers?ABC Stands for the types of fires that a fire extinguisher can put out. ABC Fire Extinguishers are considered “tri-class” or “multi-purpose” extinguishers which can be used on Class A, B, or C fires.Furthermore, how do you use a ABC fire extinguisher? Pull the pin. Aim the nozzle at the base of the fire. Hitting the tops of the flame with the extinguisher won’t be effective. Squeeze the trigger. In a controlled manner, squeeze the trigger to release the agent. Sweep from side to side. Sweep the nozzle from side to side until the fire is put out. Regarding this, what do the letters AB and C mean on a fire extinguisher? The letters stand for the class of fire the extinguisher can be used against: A – ordinary combustibles (wood, paper, plastic, etc.) The numbers before B and C are a measure of the amount of square feet the fire extinguisher can put out. For example, a 10:BC fire extinguisher can extinguish a fire over 10 sq ft.What type of extinguisher is ABC? Dry Chemical Extinguishers “DC” short for “dry chem” • “ABC” indicating that they are designed to extinguish class A,B,and C fires, or • “BC” indicating that they are designed to extinguish class B and C fires. “ABC” fire extinguishers are filled with a fine yellow powder.