Wire guide and retention unit for power tool

A power tool comprising:

• a housing including a motor case and a handle;
• a motor disposed within the motor case, the motor including a rotor and a stator having a plurality of windings, wherein a plurality of motor lead wires extends from the plurality of windings;
• a battery receiving portion provided on an end of the handle configured to receive a removable battery pack;
• a control unit configured to receive electric power form the battery pack and output a plurality of power wires;
• and
• a wire guide and retention unit disposed within the handle, the wire guide and retention unit including a main body and a plurality of ring terminals fastened to the main body, each ring terminal of the plurality of ring terminals being configured to couple with a respective motor lead wire of the plurality of motor lead wires on one end and with a respective power wire of the plurality of power wires on another end.