Wire Harness

A wire harness () includes an exterior member () with a tubular shape which covers a high-voltage conductive path (), and a drain hole () is formed in the exterior member (). The drain hole () is covered with a clamp (), that is, a post-installed member in a state that the function of the drain hole is ensured. The clamp () includes a tube attachment portion (), and the tube attachment portion () includes a drain function ensuring portion (). A gap () is formed between the drain hole () and the clamp (). A foreign substance entry preventing portion () is formed in a side of the gap () in a vehicle progress direction P. An outside communication hole () is formed in an opposite side in the vehicle progress direction P.