A cable or the like protection and guide device is provided in which inadvertent disconnection in a coupling portion of a side plate due to the repetition of flexional movement is avoided. To Mix slave 13 connected to a field network 12, an actuator 14 and sensor 15 that detects completion of operation of the actuator are connected. The intermediate layer preferably includes a thermally insulating layer portion, a metal sheet and a swell mat.