Original poster: Ed Phillips <evp@xxxxxxxxxxx> I've heard people assert that solid-core stuff needs to be used, but a friend of mine just built a large slide choke using #6 AWG stranded (of the sort found on the shelves of Home Depot and the like) and we pushed about 160A through it at 240V." #6 is #6 is #6, at least at 60 Hz. Can't make any difference. Ed