This Standard covers flexible water connectors for use in water supply systems under (a) continuous pressure in accessible locations; and (b) intermittent pressure in recreational vehicles only. It covers physical and performance requirements, test methods, materials, connections, and other significant properties, in addition to a general description of materials used. Certain features of construction of the finished product are given, together with the method of marking and identification. The provisions of this Standard are not intended to prevent the use of any alternate material or method of construction provided any such alternate meets the intent of this Standard.