Installed cable conduit using PVC 16mm tube and two little supports riveted to the F-1006 Bulkhead.
The tubes are held in place using two rubber grommets and deforming the plastic end around the grommet. Copyright for this nice solution is to be credited to Master Builder Lucio Castrogiovanni who generously shared this trick with me. Necessary tool are 1 Heat Gun and 1 conical deformation wooden tool.