To provide a wiring cover attaching structure for preventing a wiring cover from falling on one side regardless of the strength of a cover stand attaching face and an attaching condition of a location at which a distribution board is installed.

In the wiring cover attaching structure of the distribution board, the cover stand 6 is attached to a cover stand attaching hardware 9, a groove 10 is formed in the cover stand attaching hardware 9 so as to downwardly have a gradually shallow inclination. A ball 11 is fitted to the groove 10, moves when the distribution board is laid down during transportation or attached to a wall surface, and can change a location at which the cover stand is attached in response to a state of the distribution board.