An electric household appliance (1) having an outer box casing (2), in turn having, on the front face (2a), an opening (3) for access to the inside of the appliance; and a door (4) fixed to the box casing (2) by a hinge (5) located close to the peripheral edge (3a) of the opening (3) and designed to allow the door (4) to rotate to and from a closed position, in which the body of the door (4) rests on the front face (2a) of the box casing (2), thus closing the opening (3); the hinge (5) of the door (4) is designed to selectively and alternatively fit to the box casing (2) firmly, but in easily removable manner, in two distinct positions on opposite sides of the front opening (3) of said household appliance (1).