| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable use of a cover without floating thereof at the wide plate portion only by fitting a plate to a receptacle box provided at the area near the wide plate. SOLUTION: A box joint 10 is formed by providing a plate portion 11 which is mounted from the front side of wall surface and guides a wire (L) guided from the rear side of wall surface to the front side of wall surface via an aperture and a cover 12 mounted to a plate portion covering the plate from the front side of the wall surface by guiding the wire to the receptacle plug box which almost closing the aperture (P1 ) provided in the wall surface P from the rear side of the wall surface. In this case, the cover 12 and plate portion 11 have a slide holding structure 70 for sliding the cover in the predetermined one direction A for the plate portion 11 while maintaining the cover 12 to the plate portion 11.</p> |
