Quote Originally Posted by tkamiya View Post
Here's something strange. Not all wall outlets in a typical home isn't GFI protected. Typically, kitchen, bathroom, and garage outlets are protected, but no where else. So please re-check your findings.

I've actually got the enlarger in a studio, where all of the outlets were wired with a GFI switch. It was like that when I got the place.

I will definitely do as you suggested and go over the enlarger with a fine-toothed comb. I'll message back here what I find in the next couple of days. Thanks!