Talking VS Walking

I'd be concerned about creepage / clearance distances. did you remove the un-used copper donuts on the other side of that proto board? at least the ones between terminals? Better yet, and perhaps easier, use a dremel to cut slots between the terminals.

NinerBikes wrote:
Since I can't find a thread mexicowanderer says exists...

This thread?

> Transient Voltage Spike Protection Home Made Device

a Mexi special heavy duty line transient surge suppressor

to be installed inline between shore cord and RV

My Dad was a Television Repair man. He had his own shop, sold, serviced, and repaired, back in the 1950's, '60s, and '70s. His entire work shop, literally all 4 walls, looked like these photos! If I remember the story right, he was actually in same electronics school classes with the original Mr. H.H. Greg. (so he said).

I have no clue what the OP is displaying, but this was definitely a flashback to my childhood.