Patent ID: 7563109

Claim:
An electrical component mounting block which can be inserted into a single accommodation space defined to penetrate an accommodation box body up and down, the electrical component mounting block comprising: a block body; a plurality of first locking parts provided on an outer wall of the block body, the outer wall opposing an inner wall of the accommodation box body defining the accommodation space, the first locking parts being engageable with a plurality of first accommodation box side locking parts formed on the inner wall of the accommodation box body by inserting the block body into the accommodation space of the accommodation box body from upside of the accommodation space; and a plurality of second locking parts provided on the outer wall of the block body, the second locking parts being engageable with a plurality of second accommodation box side locking parts formed on the inner wall of the accommodation box body by inserting the electrical component mounting block into the accommodation space of the accommodation box body from underside of the accommodation space, wherein the electrical component mounting block is fixed in the accommodation space by inserting the electrical component mounting block into the accommodation space from either the upside or underside of the accommodation space.