| 摘要 |
The present invention relates to a cable tray device, more specifically, having a lighting lamp and compact devices such as a fire detector or a junction box mounted in a piece therein. According to an embodiment of the present invention, a cable tray device comprises: a cable tray spaced apart each other in parallel including multiple runner bars having coupling grooves between multiple slot holes and connection members connecting the multiple runner bars; a connection sheet positioned spaced apart between the multiple runner bar for connecting compact devices including a fire detector and a lighting lamp in a piece in the cable tray. |
