WIRE HARNESS AND WIRE HARNESS ROUTING APPARATUS

The wire harness disclosed by the present specification includes: a sheet-shaped base member ; and a plurality of covered electric wires W fixed side by side along the base member , in which the transverse cross-sectional area of at least one of the plurality of covered electric wires W is different from the transverse cross-sectional area of another covered electric wire W, and the thickness of the covered electric wire W is substantially the same as the thickness of the covered electric wire W adjacent thereto.