What was installed, based on my reviewing the runs, was inside metal conduit (which i believe is code in my area considering how it was run - semi exposed in a "crawl space" ceiling. There were 3 wires + - ground.
You are right though, that I could have very easily been confused as to the NM/MC as we/he discussed both during my conversation with him.
You are right though, that I could have very easily been confused as to the NM/MC as we/he discussed both during my conversation with him.