Cable manager 30 is positioned between the distal end of a robot arm 16 and the robot end effector 18. Elongated cable carrier 44 positioned in a circular cable track 34 extends in an arc about the axis of connection 17 between the robot arm and the end effector. One end 56 of the cable carrier moves with the robot arm and the other end 54 moves with the end effector. The cable carrier forms a U-shape 60 between its ends so that the movements of the ends of the cable carrier result in the U-shape accommodating the change in distance between the ends of the utility line and the cable carrier. Utility lines 62 are gathered in one or more cables that extend through the cable carrier to provide the end effector with the controls necessary for its operation.