As a framework member 50 of a vehicle deforms, a bracket attached to the framework member 50 also deforms. An inverter 20 which is attached to the framework member 50 via a bracket 60 also deforms. Thus, following the deformation of the framework member 50 of the vehicle, the bracket 60 and the inverter 20 deform accordingly to result in a rather small amount of relative deformation among the framework member 50, the bracket 60, and the inverter 20. In addition, a high voltage line 40 attached to the bracket 60 also deforms following the deformation of the bracket 60. Therefore, even in the event of an accident, the high voltage line 40 can be secured in a space reserved between framework member 50 and inverter 20, which significantly reduces the possibility of disconnection of the high voltage line 40.