To provide a movable desk provided with wiring with which burden for carrying a notebook-sized personal computer(PC) is reduced to eliminate necessity for the user of the notebook-sized PC to carry connection cords for communication with him, the cords can be stored on the side of the desk in safe or so as not to gather dust when using or not using the notebook-sized PC, and the respective cords can be housed on the side of the desk in safe when moving the desk.

A connection cord 1 for communication connectable to a notebook-sized PC P placed on a table top (a) of a desk A is provided so as to be taken-out/stored in a wiring box B. Then, a power source plug socket 2 is provided inside the wiring box B, an automatic take-up type reel 4 of a cord 3 for communication connected to the connection cord 1 for communication so as to pull out the cord and an automatic take-up type reel 6 of a cord 5 for power source connected to the power source plug socket 2 so as to pull out the cord are provided inside the wiring box B or inside the desk A, and the wiring box B is attached downward around the table top (a) of the desk A so as to freely open/close the upside.