A floor box cover assembly including a flange having an opening therethrough to permit access to an outlet box, and a cover securable to the flange and movable between a closed position wherein the opening is covered and an open position wherein the opening is uncovered to permit access to the outlet box. The flange includes an inner wall extending about the opening. The cover is pivotably secured to the flange by a hinge. The hinge includes a resilient member and a retainer, the retainer holds the cover on the flange and permits rotation of the cover between an open and closed position. The hinge permits deflection of the resilient member such that the cover is translatable relative to the flange.