Transformers are a very common device that you will all install, hookup, troubleshoot and remove throughout your career and are not complicated machines. They do not have a lot of moving parts inside and, unless an act of God takes them out (lightning, hurricane, tornado), generally can last 40-70 years out on the line. This Learning Packet contains a lot of information that you will need throughout your school year. Keep this handy through your apprenticeship and into your career so you can refer back to it for the next 20 or 30 years.Enjoy this manual and don’t ever lose it! You will need it for at least the next 4-6 years of your life. It WILL help you get though an apprenticeship.