Blue: 1500 GPM or more, for a 4-story house that's ... Following is a transcript of the video. What do fire hydrant colors mean? Certain colors are meant for different types of fires.

Orange caps should be for Class B, with between 500 and 999 gallons; green for Class A, with 1,000 to 1.499; and blue for Class AA, with more than 1,500 gallons per minute. Colors on fire hydrant ...

the color code indicates the flow rate of water in gallons per minute from a hydrant. “Painted green, or the caps are green or top is green, that would let the fire department know that the fire ...