Appleton WYS and O-Z/Gedney YS Type unflanged junction or pull boxes are raintight, watertight, dust-tight, cast iron boxes designed for surface mounting. They are used to protect personnel against accidental contact with enclosed electrical devices or connections and to protect the enclosed devices or connections against specified external conditions. They also serve as intermediate pulling and splicing points in a conduit system. They are suitable for use indoors, outdoors, or where subject to rain, dripping or splashing water or hose-directed water.