Travis,Microwave oven transformers with their HV windings shorted can be connected in series and parallel combinations to provide effective ballasting. Consider them to be "modular arc welders".
They are available for free at the curb on trash day, or you scare some up on Craigslist.
Dave On 10/29/2012 11:22 AM, Travis Tabbal wrote:
I'd love to, but I haven't found a transformer core tree. :) I'll try some local surplus/scrap places, maybe they have something. I have another pig, but I can't bring myself to kill it for a ballast. Seems wasteful. The voltage drop is a very good point I hadn't considered.
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