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I don't believe he did.
http://www.wickeddigital.com.au/index.php/shop-by-category-find-a-product-type/product/view/11/281
That is a universal 100-240 switching supply. Since outlets in many countries don't have a 3rd prong for ground it would have to be designed to not need one.
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Why did the designer/manufacture of the DAC power supply decide he wanted a safety equipment ground for his equipment
I don't believe he did.
http://www.wickeddigital.com.au/index.php/shop-by-category-find-a-product-type/product/view/11/281
That is a universal 100-240 switching supply. Since outlets in many countries don't have a 3rd prong for ground it would have to be designed to not need one.
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