Original poster: "Charles Hobson by way of Terry Fritz <twftesla-at-uswest-dot-net>" <charles.a.hobson-at-btinternet-dot-com> Hello Scott you wrote: I don't use a safety gap on my 10KVA pig, and I am running it at 25KVA. My current limit is a big choke wound with about 30 pounds of 8awg wire wound as a spool (no core). Scott Can I get more details on your current limiting "big choke"? Chuck