Scorch/melt on ground clamp

[Willl]

Back in the good ol days of 400 plus AMPS wire feed work, we used these all the time.

We use those same ones here at work. A little slower but rarely have to go back and fuss with it. Good clamps.

 

[Todd727]

I like this clamp too:

Strong Hand Ground Hog 500 Amp Ground Clamp - GP950

Oh, and you really didn't need to shove that clamp so far onto the table. I any other part of the clamp makes contact, you'll end up with arcing at that spot.