Abstract: A wire harness including a round electric wire and a flat electric wire. The round electric wire includes a round conductor made of a predetermined metal and having a round cross-sectional shape and a first coating portion. The flat electric wire includes a flat conductor having a flat cross-sectional shape and a second coating portion. The round electric wire and the flat electric wire are arranged in parallel. The round conductor has a diameter equal to or less than a predetermined reference value. The flat conductor has a thickness equal to or less than the reference value and a width in which ensure cross-sectional area of the flat conductor more than area of a circle having a diameter equal to the reference value.

Abstract: A wire harness including a round electric wire and a flat electric wire. The round electric wire includes a round conductor made of a predetermined metal and having a round cross-sectional shape and a first coating portion. The flat electric wire includes a flat conductor having a flat cross-sectional shape and a second coating portion. The round electric wire and the flat electric wire are arranged in parallel. The round conductor has a diameter equal to or less than a predetermined reference value. The flat conductor has a thickness equal to or less than the reference value and a width in which ensure cross-sectional area of the flat conductor more than area of a circle having a diameter equal to the reference value.