Yeah, I guess all those pots have the black nut. Maybe it's a different manufacturer?
Those wires were on the power cord, I'm guessing they are like that from the inspection. Mr or Mrs inspector WGM needs to take some care doing those test imo.
Custom wrenches are because I'm so good a can turn 2 bolts at once, booyeah! lol
I was curious to see what would happen using ER308 filller on mild steel, and I was a little bored one day so killed some time.
So far I'm happy with the welder. The torch and pedal are still not quite right to me but it was a little bit better today.