What size pipe to a fire hydrant?

The size of the pipe leading to a fire hydrant typically ranges from 6 to 12 inches in diameter, depending on local regulations and the specific water supply requirements of the area. Commonly, 6-inch pipes are used for residential areas, while larger diameters may be employed in industrial or high-demand locations. The size is designed to ensure adequate water flow and pressure for firefighting purposes. Always consult local fire codes and regulations for specific requirements.