Abstract: A fire hydrant adaptor and cover for attachment to the uncovered outlet pipe of a fire hydrant. The fire hydrant adaptor and cover includes an adaptor pipe having a first end with internal threads of attachment to the fire hydrant outlet, and a second end having external threads to connect a fire hose and internal threads to secure a cover plate. The cover plate is formed from a metallic material and is inserted into the second end of the adaptor pipe. The cover plate is removed by magnetized elements or by engaging a rectangular hole formed on the cover face.