| 摘要 |
<p>PROBLEM TO BE SOLVED: To connect with a simple structure and without an exccesive space a new additional unit to an old existing unit and reduce the cost. SOLUTION: One unit 1' is placed on raising stands 13 so as to have the heights of the bus-bar of the other unit 1' aligned with the height of the bus-bar of one unit 1, and a horizontal conduit 14 is provided between the bus-bar conduits 9 and 9' of both the units 1 and 1' for connecting both the bus-bar to each other. Furthermore, an additional unit 1' is placed on the raising stands 13, and in the case of single bus-bar units, the height of the bus-bar of the additional unit 1' is aligned with the height of an existing unit 1 and, in the case of double bus-bar units, the upper or lower bus-bar of the additional unit 1' is aligned with the height of the upper or lower bus-bar of the existing unit 1 and a transition conduit 15, with which the height of the bus-bar is converted, is provided between both the units 1 and 1' to connect the other bus-bar of the additional unit 1' to the existing unit 1.</p> |
