This Outline of Investigation covers requirements for the construction and performance of non-threaded connections when used as outlets on fire hydrants and inlets on fire department connections in the nominal 4 and 5 inch sizes. These non-threaded connections are intended for use: a) For hydrant pumper connections@ b) To adapt from threaded hydrant pumper connections@ and c) With couplings on fire department hoses that comply with the dimensions specified in the National Fire Protection Association Standard for Fire Hose Connections@ NFPA 1963.
UL SUBJECT 246A-2013 history
2013UL SUBJECT 246A-2013 OUTLINE OF INVESTIGATION FOR NON-THREADED CONNECTIONS FOR FIRE HYDRANTS AND FIRE DEPARTMENT CONNECTIONS (Issue 1)