Hey Andy;

I am an electrical contractor. I've been in the field for 25 years. I have two guys that work for me. Both started "green" with no experience or school. One is getting ready to take his test, and the other is not far behind him. The best advice that I have given my guys is that no one has ever been born with the knowledge of electrical work. We all started from square one just as you are. Don't let it overwhelm you! With a good teacher in class and out in the field, you will do just fine. Take your time and learn everything you can. One last thing I was told years ago by an instructor..."what we do is very dangerous, always know what you are doing; never guess what you are doing." I am quite sure you will do just fine. I have found that the best electricians are the people that have a "drive" to learn. That's how I picked the two guys that work for me!