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  • RogN commented on JackDavies's instructable DIY Spot Welder From Microwave9 months ago
    DIY Spot Welder From Microwave

    I would leave the same number of turns on the secondary. You actually want approximately the same output voltage. There almost certainly about half the number of turns on the 120V transformer. It would therefore have about the same number of turns per volt. Great Instructable!

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