Connection Terminal, Method Of Connecting Wires Using The Same And Pressing Die

A method of connecting a plurality of wires, comprising:

• providing a connection terminal made of a metal sheet and including a body portion having a first edge and a second edge extending in a longitudinal direction of the body portion and opposite to each other in a transverse direction of the body portion, a first wing extending from the first edge, and a second wing extending from the second edge, the first wing and the second wing are opposite to each other in the transverse direction of the body portion, a length of the first wing extending from the first edge is greater than a length of the second wing extending from the second edge, an inner surface of each of the first wing, the second wing, and the body portion has a plurality of first grooves;
• pre-bending the body portion as a substantially U-shaped cross-section;
• placing a portion of the plurality of wires within the body portion;
• and
• pressing the connection terminal with a pressing die, the pressing die has an opening having a substantially U-shaped cross section, the first wing and the second wing enter the opening, the first wing and the second wing are bent toward the body portion so as to crimp the wires within the connection terminal as the pressing die presses the connection terminal against a support portion, the first wing is located outside the second wing after bending.