12-24 AWG can be inserted into the push in connector. Stranded wire can be directly inserted into the connection hole. For a more secure connection, it is recommended to attach a 10mm (0.39") ferrule terminal to the end of the wire. The power rating of the connector is 24A per connection. 0050579405. Pins for the connector are purchased separately and details can be found on the Molex website. The pin used for the part supplied with the motor controller is 0016020102. 0050579403.Low current and the operation mode to Open Loop Speed Control. Move the slider bar on the bottom right to control the motor.