Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 597

Connecting wires
1.
Confirm the model number of the housing, contact and tool to be used.
2.
Insert the tool diagonally into the receptacle assembly.
3.
Insert the tool until it hits the surface of the receptacle assembly. At this stage, the tool is vertical to the receptacle
assembly.
4.
Insert wires in the wiring hole till the end. The wires should be slightly twisted in advance to prevent it from being loose.
It is easy to insert the wire if the wire is inserted diagonally while twisting the tool.
5.
Remove the tool.
Appendix 5 MR-J3-D05 Safety logic unit
A
APPX
595