| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a call wire drawing-out device which can prevent a call wire from being worn away nor scratched and an insulating bushing from being damaged when the device draws out the call wire and, at the same time, with which workers can safely pass an electric wire or cable through a pipe when one worker is positioned to the feeding side of the electric wire or cable. SOLUTION: A call wire drawing-out device is provided with a tension roller 3 which is constituted to prevent a call wire L drawn out of a pipe 1 from coming into contact with the outlet of the pipe 1 or its vicinity and positioned inside a box 2 for power distribution and a driving roller 11 for drawing-out which is constituted to prevent the call wire L drawn out of the box 2 from coming into contact with the opened end section of the communicating port 4a of a substrate 4 to the box 2 and is positioned outside the box 2.</p> |
