(1) Class AA — Light blue [1,500 GPM or greater] (2) Class A — Green [1,000—1,499 GPM] (3) Class B — Orange [500–999 GPM] (4) Class C — Red [less than 500 GPM]
The common fire hydrant colors and what they mean. Red indicates a flow of less than 500 gallons per minute Orange indicates a flow of 500-999 gallons per minute. Green indicates a flow of 1000-1499 gallons per minute. Blue indicates a flow of 1500+ gallons per minute.
Fire Hydrant Colors: Their NFPA Spectrum and Meaning
(1) Class AA — Light blue [1,500 GPM or greater] (2) Class A — Green [1,000—1,499 GPM] (3) Class B — Orange [500–999 GPM] (4) Class C — Red [less than 500 GPM]
Per NFPA 291, the body of all public fire hydrants should be chrome yellow, unless another color has already been adopted as a standard for the community. A fire hydrant fresh from the factory is typically this chrome yellow color to make it highly visible.
People Also Ask what color are fire hydrants
Why do fire hydrants have different colors?
Fire hydrants are painted different colors to reflect the amount of water they can expel. Blue hydrants can expel the most at 1500+ gallons per minute (gpm). Green hydrants expel 1000-1500 gpm, orange/yellow hydrants 500-1000 gpm, and red hydrants <500 gpm.
Is there meaning behind the color of a fire hydrant?
Yes, the coloring of the fire hydrant does have a meaning; it’s a code to indicate the amount of water that particular hydrant will provide. More often that not, firefighters will need to make quick calculations and decisions as to how much water they will need to fight a fire and this is a way to help them during those times.
Did you know fire hydrant colors have meaning?
The two most common colours for fire hydrants are bright shades of red and yellow. These colours are used because they stand out, which makes hydrants easier to find in emergencies. In some places, the tops of fire hydrants are painted different colours to let firefighters know how many gallons per minute, or GPM, a hydrant is able to deliver.
What color are most firetrucks?
“Fire trucks are red!” firefighters would insist, except in areas where they were traditionally white, or some other color. In any case, while researchers found lime green is indeed more visible, there are other factors to take into consideration, such as reflective striping and public familiarity.
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The Meaning of Fire Hydrant Colors Video Answer
Reference:
https://www.usfa.fema.gov/
https://en.wikipedia.org/wiki/Fire_extinguisher