Abstract: In an electric power-feeding structure for feeding an electric power from an electric power-supply terminal to electric power-receiving portions located at different positions, which comprises a main feeder assembly connected to the electric power-supply terminal and comprising a plurality of main line sections and a plurality of junction means respectively interposed between respective mutually adjacent main line sections and a plurality of branch feeder lines respectively connected, at their respective one ends, to a plurality of the electric power-receiving portions and, at their respective other ends, to the respective main line sections, the improvement in which said plurality of junction means each comprising at least one printed circuit board provided with first and second connecting portions and at least one third connecting portion and said main line sections comprise at least one flat type cable with flat connector means and are successively connected by cooperation of said first and second connecti