Lew Electric part #1100-E mounting ears for cast iron
junction boxes are required for the purpose of sealing
the cover to the gasket and box and to give the box a nema
type 4 water-tight rating.
Lew Electric part #1101-L mounting lugs can be installed
on each corner of the box for the purposes of securing
the floor box during a cement pour or to mount the floor
box to a wall.