Building a power supply - isolated & variable ac/dc
Amazon.com: DC Variable Power Supply Ac170-260v High Power Switching Power Module Bare Board, AC-DC Isolated Power 220 to 36/48/60, (Color : 48V6A, Size : 0) : Electronics
Global Specialties 1504 0-150VAC 4A Isolated Variable AC Power Supply | eBay
User Manual Model 1420 AC Power Supply
AC Variable Isolated Power Supply
DIY Variable AC Power Supply – Dr. Scott M. Baker
Vintage Heathkit Variable Isolated AC Power Supply, Model IP-5220, 0 - 140VAC With Isolation, Made In USA, Circa 1975 - 1983 | Vintage electronics, Ac power, Vintage
Building an AC power supply that can serve as a makeshift isolation transformer - YouTube