CONNECTION STRUCTURE OF ELECTRIC WIRE AND AUXILIARY TERMINAL

The connection structure connecting a core wire exposed, on the end side of a covered electric wire with an insulating covering portion covering the outer periphery of the core wire, from the insulating covering portion to a bus bar, on the end side of the covered electric wire, an auxiliary terminal including an electric wire grasping portion which grasps the insulating covering portion of the covered electric wire and a core wire protecting portion provided so as to extend from one end of the electric wire grasping portion is attached, the core wire protecting portion includes a base on which the insulating covering portion is placed and welded pieces which are provided so as to extend from the base and disposed near the core wire exposed from the insulating covering portion, and the welded pieces are welded to one face of the bus bar along with the exposed core wire.