Luckily, Class A fires are the easiest type to extinguish. The Fire Equipment Manufacturer's Association recommended using a water or foam fire extinguisher on Class A fires. You can also use water to douse the fire, as it can remove the fire's heat supply.

What does put out a fire mean?

: to stop a fire from burning Firefighters put the fire out. Firefighters put out the fire.

Is it correct to say put out the fire?

The correct phrase is "put out the fire," not "put off the fire."