A floor cover assembly for a floor box assembly that includes a lid and a base ring. The base ring can have a slotted portion that is sized to accommodate at least partial slideable displacement of the lid, and which includes an opening that extends through the base ring. The lid or the base ring can include a plurality of locking tabs, and the other of the lid and the base ring can include a plurality of lock grooves. The locking tabs can each comprise an overhang that are sized to be received in an open end of a mating lock groove. The lock grooves can be shaped to accommodate displacement of the plurality of locking tabs within the mating lock groove, such as in connection with a slide-and-lock attachment. The lid can also be manufactured to include a lid cover having a three-dimensional image.