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 .