A protector includes a bottom plate part on which a plurality of electric wires is placed on the same plane, a pair of side parts that is provided to erect from the bottom plate part so that the electric wires is interposed between the pair of the side parts, a distance between the pair of the side parts corresponding to crank-shaped curved parts of the electric wires being larger than a distance between the pair of the side parts corresponding to front and rear linear parts of the crank-shaped curved parts of the electric wires, and a protector fixing part that is provided on the bottom plate part so that the protector fixing part is positioned between the crank-shaped curved parts provided next to each other.