| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce the size of a junction box when an optional fuse is not mounted thereto while commonizing the junction box. SOLUTION: The junction box is configured such that: string-shaped vertical busbars 13 are disposed in X directions inside a case; wire connection blocks 15, in which a number of cavities 16 are disposed in parallel on the external surface of the case at a position where the vertical busbars 13 are disposed, are projected in a plurality of rows; the vertical busbars 13 and wire terminals 20 are connected at prescribed cross points and form a circuit, with the vertical busbars 13 and the cavities 16 of the wire connection blocks 15 latticed in the X-Y directions; a part of each vertical busbar 13 is extended so as to form a preliminary circuit 13a; an attachment part 18 for detachably attaching a cassette fuser 50 to the upper part (or lower part or side) of the case in the position where the preliminary circuit 13a is arranged; and a busbar 51 of the cassette fuser 50 is connected to the preliminary circuit 13a.</p> |
