| 摘要 |
PROBLEM TO BE SOLVED: To provide voltage change-over structure for a distribution board which enables easy and reliable changeover. SOLUTION: A branch bar 4 is screwed to a main bar 3 via a branch spacer 9 composed of conductive material, and electrical machinery and apparatus are connected; a screw receiving part 8 of the main bar 3 is formed by cutting the bar off into a U shape, and the branch bar 4 is covered with a case 6 having openings 5; a screwing part 10 of the branch bar is in the shape of a slot, and a screw 7 is made slidable in the opening 5 of the case 6, together with a slide component 12; and a fitting protrusion 16 is formed at an end part of the slide component 12, and the slide component 12 is fittable to the end part of the opening 5 of the case 6. |
