DISTRIBUTION BOARD FOR HOUSING

摘要

PROBLEM TO BE SOLVED: To enable common use of a cover only with replacement of a panel even if the specifications of internal device are different and rigidly mount the panel to the cover. SOLUTION: Locking protrusions 51 are provided into an opening 22 of a cover 20 from the circumference edge thereof. The opening 22 is covered with a plurality of panels 23a, 23b and the circumference of the rear surface of a sheet of panel 23b is provided with a holding projection 54 for holding the protrusions 51 with the panel 23b overlapping on the rear surface of the protrusions 51. The panel 23b moves between the positions where the protrusions 51 and holding protrusions 54 are overlapped or not overlapped by sliding the panel 23b along the circumference of the opening 22 where the protrusions 51 is provided.