A bus bar that can be simply and easily identified as having generated abnormal heat. [0002] An insulator 3 has an interior S formed hollow and is made of heat-shrinkable resin. A bus bar main body 2 is inserted into the hollow, and an identification membe...

An insulating bus bar cover 5 is attachable to a bus bar 21 between cell groups 3B and 3C, both ends 23A and 23B of the bus bar 21 being respectively fixable to electrode terminals 32A and 32B having opposite polarities in order to electrically connect the...