US Patent 9508464 Bus bar cover, and bus bar with cover

An insulating bus bar cover is attachable to a bus bar between cell groups, both ends of the bus bar being respectively fixable to electrode terminals having opposite polarities in order to electrically connect the electrode terminals. The bus bar cover includes a main body portion for covering the bus bar while exposing both ends of the bus bar, hinge portions that are provided at ends of the main body portion, and lid portions that are attached via the hinge portions to the main body portion, and are pivotable by the hinge portions so as to cover or expose the ends.