I am trying to find code info and product info on doing proper joints between aluminum and copper wire. My boss was telling me to twist wires together, cover in de-ox and use aluminum marretts. Everything made sense except the aluminum marretts. Because whether you use aluminum or copper approved marretts you still have disimilar metals. I thought maybe it would have to be a special aluminum to copper marrett. But I just having troubles confirming details on proper ways to do this?? Any help is appreciated.