Dave55, I pull an EGC in pipe every since I saw a hot wire loose in a j-box arcing around and NOT opening up the CB. It was a brand new school addition and the run of pipe was up through 30' of concrete block. Loose couplings or connectors, it only takes one, and your ground path is gone. I don't understand the aversion to MW branch circuits. I mark the neutrals in the panel to identify which 2 hot wires share them and I mark them in the pull boxes. I don't get why some electricians react to MW branch circuits like they would a live snake.
