| 摘要 |
PURPOSE: A cable duct apparatus having a multi-story tray is provided to minimize damage due to the load of a cable by using a tray fixing unit and a cable tray. CONSTITUTION: One end of a support unit(200) is combined with the upper part of an indoor space. The other end of the support unit is extended to the lower part of an indoor space. A tray fixing unit is combined with the support unit. A cable tray(100) is combined with the tray fixing unit. The cable tray includes a space for accommodating a cable. |
