![DC Bench Power Supply Variable 30V 10A Switching Power Supply 3-Digital LED Display with Free Alligator Clip for Lab Equipment, DIY Tool, Electrical Repair: Amazon.com: Industrial & Scientific DC Bench Power Supply Variable 30V 10A Switching Power Supply 3-Digital LED Display with Free Alligator Clip for Lab Equipment, DIY Tool, Electrical Repair: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61mK19-PGKL._AC_UF894,1000_QL80_.jpg)
DC Bench Power Supply Variable 30V 10A Switching Power Supply 3-Digital LED Display with Free Alligator Clip for Lab Equipment, DIY Tool, Electrical Repair: Amazon.com: Industrial & Scientific
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Why must this DIY lab bench power supply be powered by an AC supply? - Electrical Engineering Stack Exchange
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