This embodiment relates to an electric device. An electrical appliance according to one aspect includes: a housing including a first hole; a bus bar including a second hole facing the first hole; a bushing having a third hole formed on its upper surface, at least a portion of which is disposed in the first hole and the second hole; and a screw screw-coupled to the third hole, and a protrusion protruding outwardly from an outer circumferential surface of the bushing to contact the inner circumferential surface of the first hole.
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