I asked one of the journeymen today about a transformer feeding a subpanel in an industrial facility we were working in.
His reply was that he didn't really know too much about transformers and that was one thing he really needed to learn more about.
Basically what I need to know is how can someone hold a license without knowing much about transformers? Seems pretty strange to me. Don't get me wrong...that guy does excellent work(keep in mind i am a second year apprentice so my opinion is obviously in question).
Anyway...where can I find a good resource on transformers?
