US Patent 11056866 Housing, electrical connection box and wire harness

A housing includes a frame having a frame peripheral wall which forms a lower opening, the frame peripheral wall having a frame side seam, and a lower cover having a cover side seam which is engaged with the frame side seam, and configured to cover the lower opening. The lower cover has a first shield wall protruding outward from the cover side seam, and a second shield wall protruding from the first shield wall toward an upper side of the frame. The second shield wall is located outward than a mating surface between the frame side seam and the cover side seam, and a wall inner surface of the second shield wall faces an outer surface of the frame peripheral wall.