BATTERY WIRING MODULE

A housing is provided with a terminal accommodation portion accommodating a module-side terminal and having an opening through which the module-side terminal is introduced. The terminal accommodation portion includes a bottom portion and a third wall portion serving as an accommodation-side regulating portion that regulates displacement of the module-side terminal. A cover that seals the opening of the terminal accommodation portion includes first and second regulating wall portions serving as a cover-side regulating portion that regulates displacement of the module-side terminal at a different position from that of the bottom portion and the third wall portion.