Avoiding ground loops on the workbench

Connecting the power supply and oscilloscope to the DUT (device under test) can potentially lead to hazardous conditions. A few people have asked me how they can support my channel. I have set up a Patreon page for those who wish to help. Electronics, gifts can be sent to: JohnAudioTech, PO box 362, Vandalia, OH 45377 Email: (response to messages may take a while) Thank You