A washing machine having a structure to electrically connect electronic parts inside a door of the washing machine to different electronic parts inside a cabinet of the washing machine. The washing machine includes: the cabinet which is equipped with a first electronic part therein, the cabinet having an opening to put in laundry; the door which is equipped with a second electronic part therein and is configured to open or close the opening of the cabinet; a hinge assembly configured to pivotally connect the door with the cabinet; and a wire configured to be inserted through the hinge assembly to electrically connect the electronic parts of the cabinet and the electronic parts of the door.