Today, I spotted a rep for a cable company (As in saleman for wire manufacturer) who was showing off his wears. One iten in particular that he was trying so hard to pump up was an MC cable with #12 insulated circiut conductors (Copper), and a #12bare AL ground conductor. Like AC it would fold back to the connector, and become the ground path, with an "approved for ground" fitting. Anyway, I have always understood that the major difference between MC, and AC to be the equipment ground conductor. I questioned this salesman on this, and he inssted that it was listed as MC, not AC. And that this was "the way of the future", of course. So I looked more closely, and yep, it said MC on the tape.. So my question is, what are the differences between MC and AC cable?
