| 摘要 |
PURPOSE:To permit operation in both the inside and outside of power board as well as enlarge space for cable duct by providing an approx. T-shaped space on the both sides of the board frame by combining board frame with ceiling frame. CONSTITUTION:The board frames 13 are attached to both the front and rear portions of the channel base 5, and then the ceiling frame 14 is further placed on them. In this case, the dimensions of both should be in the relation the board frame 13 the ceiling frame 14. The horizontally long relay case 15 is fastened with screws to the board frame 13, and also the duct cover 17 is likewise screwed to the board frame 13. The connection of cable can be made by removing the duct cover 17 from the outside of the board, and also the use of the horizontally long relay case 15 enables one to make the board setting space smaller. |
