To preface this: I decided to ask this over the internet where my reputation with my professors for not asking such stupid questions is not at stake Ok here is my issue: I have been charged with the task of using 5V logic to turn on/off a high power CMOS transistor, which will supply around 4.5A to a device (automotive application). I have my transistor, which is of TO-220 design and will do the things I wish, but my problem is that I have been using a breadboard for the 5V logic because it's cheap and easy, but obviously you can't pass 4.5A through a breadboard, so my question is what should I do to connect everything together? I understand this is a stupid question for someone who is charged with such a task, but I am trying to learn before I do something stupid. Can I simply walk down to a home improvement store, buy an appropriate insulated length of wire and some connection sockets, and connect a wire to one pin of my power transistor and the other end to my device's appropriate cable and have everything work? I tried to search for how to wire something with this much power involved, but I have had no luck. I am currently perusing howstuffworks. Please take pity on my soul, I have done entirely theory up to this point and am sorely lacking in practical implementation Ah and PS: This is for a side project while going to school so I could do a little learning on my own.