How to create a twisted pair of wires in Creo?
Create additional datum plane.
Create for twisted wire 4 upto 6 points refering to datum planes.
Route a curve through the points.
Select curve \ swept Blend \ Surface \ Sections \ Sketched Sections \ Sketch \ Ok \ Insert \ Sketch \ Ok \ Ok
Select 1st Curve \ Sweep \ Surface \ Section changes along sweep \ References tab
and select outer surface boudary
and select other outer surface boudary
Tools \ Relations \ Select angle value \ Write relation =trajpar*360*5 \ Ok
5 is the # of twists
Select in Menue bar Sketch \ Ok \ Ok
Hide 1st surface in model tree.
Select outer surface boudary \ Sweep \ Sketch
Sketch circle \ Ok \ Ok
Dimension the circle smaler than surface width otherwise it will fail with same sized 2nd circle.
Repeat with other outer surface boundary.
Finished after blanking all surfaces and curve.