You need a crimping tool to attach the terminals to the power and
                ground cables.
         
        
            To prepare the cable wires, follow these steps:
         
        
          On each cable wire, strip 6 mm (0.25 inch) of insulation
            from one end. 
         Insert the end of one power cable
            wire all the way into the barrel of a spade terminal and crimp the terminal securely to
            the wire. 
            Attaching a Spade Terminal to a Cable 
 
                Repeat step Preparing the Cables for a 300 W DC Power Supply  for the other power cable wire. 
             Insert the end of the stripped ground wire (green or green and yellow) all
            the way into the barrel of the ring terminal and crimp the terminal securely to the
            wire. 
            Attaching a Ring Terminal to a Ground Cable