An electrical device includes a board; a cable including one end portion electrically connected to the board; a component fixing device for fixing a component through which the cable passes; and a fixing portion for fixing the component fixing device. The component fixing device includes a holding portion for holding the component and a fixed portion fixed to the fixing portion. Further, the holding portion includes a hook claw disposed at a distal end portion thereof, a hole portion for receiving a base portion of the hook claw and engaging with the distal end portion, an attaching portion for attaching the component, a first movement restriction member for restricting a movement of the component in a direction that the cable extends, and a second movement restriction member for restricting a movement of the component in a direction perpendicular to the direction that the cable extends.