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Re: [TCML] MOT ballasting options



On 2013-01-02 at 17:17, Jim Lux ( jimlux@xxxxxxxxxxxxx ) said:

the "500 ft spool of wire" as an inductor has some simplicity and appeal.. I can't recall what it's inductance is, but it's on the list. (copper being expensive these days, it's not as cheap as other means)

I think the 500ft spools of #12 THHN stranded copper measure around 9mH. The mostly complete spool that I use with my potential transformers measures 8.5mH.

--andy
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