| 摘要 |
PURPOSE: A bidirectional electric box is provided to improve a soundproof function by installing a box body in a pillar to absorb or block noise. CONSTITUTION: A bidirectional electrical box is composed of a pillar(10) and a box body combined with both sides of the pillar. The pillar secures an installation space for connecting an inner electric wiring to an electric component like a switch and an outlet in the wall of a building. The box body is combined with both sides of the pillar. The pillar includes a wiring inlet(12) for inserting an electric wiring in the wall. The wiring inlet is extended from the upper side to both sides of the pillar. The box body is installed on both sides of the pillar. The box body includes a wiring inlet space(22). |
