Twisting cables is for visualization purposes only. The twisting attributes lies outside of the harness assembly and cannot be modified later. Deleting these elements from the Structure Browser does not delete the original cable.
To twist a cable,
1. Click Tools and then, in the Tools group, click Twisted Pair. The Twisted cable dialog box opens
2. Select the number of nodes (twists) for the length of the cable, and the diameter of the twists.