which is the most common fire extinguisher? Share with your friends Share 0 Sugam answered this water is most common fire extinguisher as it can extinguish all types of fires except electric fires 1 View Full Answer Prabhat answered this water is the most common fire extinguisher 0 Md Mubasheer Azam answered this Water is the most common fire extinguisher but don't use it over electric fire or any oil fire because oil is lighter than water so it will float over it. hope this answer is helpful for you 1 Jiya💖 answered this water and carbon dioxide 0 Iramsaba answered this Co2 0 Souptik Banerjee answered this 1) Water. 2) Carbon dioxide. 3)Sand. 1