Original poster: "Pete Komen by way of Terry Fritz <twftesla-at-qwest-dot-net>" <pkomen-at-zianet-dot-com> Elcor Isoformer Transformer L1301, item #1602564585. I have one of these. It is heavy and the secondary is very well isolated from the primary. I'd almost bid, but I don't need another and the shipping from Quebec would be a lot. FYI Pete