Rotating line features that contain vertices provides incorrect results once finished. The following is an example of the behavior:
The points represent the network junctions. The corners are vertices.
If all the features (3 lines, 4 points) are selected and rotated using the Rotate Tool from the Editing Toolbar, the following might be the result:
Note that the points rotated, but the vertices did not.
This problem is caused by the Utility and Telecom Patch 2 and was logged as ESRI BUG-000088081.
This problem has been resolved in Utility and Telecom Patch 4 or higher.