| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cover for an electric wiring box, in which only one kind of cover is suitably used for a plurality of mounted switches even when the number of switches is changed, and the cast concrete is prevented surely from coming in when the cover is used for a buried electric wiring box. SOLUTION: A main cover body 1 has cut-off grooves 4 and 5A on a face thereof. The grooves 4 and 5A is cut off selectively for forming an opening according to the size of one or more mounting frames of switches. In addition, screw fitting parts 6 and 7 for fixing one or more frames for switches are formed around each opening part.</p> |
