ELECTRIC WIRE HOLDING STRUCTURE AND BUS BAR MODULE

An electric wire routing groove portion in which an electric wire is hosed includes a bottom portion; a pair of side wall portions that are erected from the bottom portion and are provided facing each other; and locking pieces that protrude from the side wall portions in directions in which the locking pieces approach each other and are formed with a gap through which the electric wire is passed between distal ends of the locking pieces. The side wall portion includes low edge portions formed on both sides of the locking pieces and provided closer to the bottom portion than a position of the locking piece on a bottom portion side.