If you haven't noticed already, you are now aware that the two intertwined wires in the second and third section of that illustration is topologically impossibl

If you haven't noticed already, you are now aware that the two intertwined wires in the second and third section of that illustration is topologically impossible. It's a pretty darn good technique though, useful when your wire harness is going through some minor tension. Extensively used during our underwater robot build :)