| 摘要 |
PURPOSE:To prevent the beautiful appearance of a room interior from being spoiled and execute work economically and efficiently, by setting a box containing a breaker in the internal section, between double floor sections, and by enabling the breaker in the box, to be operated from the upper section of the floor. CONSTITUTION:On a concrete floor 1, bearing stands 2 having leg sections 2a are aligned vertically and horizontally, and on the stands 2, floor boards 3 are laid to form a double system floor, and wiring work under the floor is executed. In place of one of the bearing stands 2, a box 11 with an opened upper section is set, and in the internal section, a breaker 18 is fitted, and the box 11 is connected to an upstream power side, a downstream plug socket, and a space between equipment terminals. The upper surface 11a of the box 11 has a notch 12b for operating the handle 21 of the breaker 18, and stands up on the center, and is fastened to a flange 14 fitted on the floor, with screws 15. The cover 13 of the flange 14 is opened, and the handle 21 of the breaker 18 is operated. As a result, water is prevented from being infiltrated through the floor, and switching operation is easily performed, and a beautiful appearance is kept. |
