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    I'm trying to assemble a Power supply for a Nichrome wire heater

    Hi. I'm trying to assemble the components to drive a single-Nichrome-wire device for heating sheets of thermoplastic. To get the material up to 350˚F should take about 3-4 amps with 20 gauge wire, so the power supply needs to deliver at least 5 amps. I know how an AC-to-DC power supply...