Thanks Guys. The surge suppressor is a Square D like the distribution panel. The oak plywood was a scrap I had available. The groundbar is because the grounds & neutrals aren't bonded, and...the top photo was on a replacement of a grounded outlet with a GFCI in a bathroom.

My obligation on the GFCI replacement was to show this mess to the homeowner & quote the needed repair. If they had refused the repair, I would have left it like it was & made a note of the safety issue on the invoice.

I wouldn't have installed a GFCI on Romex with no connector and "run like heck". I should have taken a picture of the repair. I removed the mismatch gem boxes & installed a double-deep box & double-device ring. A little patch & it was ready for the new devices. I found a flying splice in the attic feeding this & rewired from the attic into the bathroom.

Dave