Abstract: A dishwasher equipped with a lamp assembly. The lamp assembly includes a lamp bracket, a lamp cover and a plurality of fastening projections. The lamp bracket is fitted into an opening to accommodate the lamp from an outside of the inner casing. The lamp cover is detachably fitted into the lamp bracket from an inside of the inner casing. The plurality of fastening projections fit the lamp bracket into the opening. The fastening projections are projected from a front rim of the lamp bracket to be elastically deformable, and have gaps each corresponding to a thickness of the inner casing. The inner casing includes movement prevention notches extended outward from the opening at locations where the fastening projections will be interlocked.