A wire-side connector provided at a terminal end of a wire harness; and a device-side connector that is fittable to the wire-side connector, and is to be disposed on one surface of a device via connector holding portions are included, the connector holding portions being provided so as to be pivotable between a mounting position at which the device-side connector is disposed in an orientation along the one surface of the device with a fitting face of the device-side connector facing forward, and a fitting position at which the device-side connector assumes an orientation intersecting the one surface so that the fitting face is disposed at a position distanced from the one surface.