On a body‑shop painting line, a long plastic cable carrier links the rotating spray‑gun turret to the stationary power source, allowing the turret to swivel continuously without twisting or damaging the wiring. The carrier’s low‑friction inner surface guides the electrical and pneumatic lines that power the spray guns, keeping the cables neatly aligned while the turret follows the car body’s contours. By routing the cables through this flexible track, the system eliminates the need for manual cable re‑routing, reduces downtime caused by cable wear, and maintains a clean work environment that meets the high‑cleanliness standards of paint booths. The same type of cable carrier is also employed on robotic welding cells, where it protects the robot’s control cables as the arm swings through large arcs. In both cases, the carrier’s ability to accommodate repeated bending while safeguarding the enclosed cables makes it indispensable for any moving equipment that requires reliable power or signal transmission throughout the vehicle‑assembly process. This enables uninterrupted operation of critical automation tools on the line.