Select the 'Wire Manager' button from the Linear Draft toolbar.
The 'Wire Manager' form will be displayed. Select the catenary wire you want to edit from the 'Selected Wire' drop-down menu.
Click the 'Edit' button and the 'Configure Catenary System' form will be displayed.
From here, you are able to change the wire type by choosing another wire from the drop-down menu and you can also rename the wire.
N.B. The wire type can only be changed if all associated items with the current wire, can also be associated with the new wire.
Once you have made your changes click 'Confirm' to accept.