Thank you, Neal.
Neal , the auto transformer will control the voltage, a ballast controls the current flow. So if you run 120V into your system you out put voltagefrom your transformers is stable, current flow is controlled by ballasting,if you lower the input voltage then the spark gap and other adjustments change. You can use a MOt for a ballast if you have an extra one. The link I sent before to Richie's site explains all. Rich
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