Yes I know this question have been posted many many times. I have posted a reply in this thread and I never obtain answer because this post is to old.

http://www.millerwelds.com/resources...ight=Spoolmate

These are my questions about this fitting and shorting the spoolgun

In what kind of situation the spoolgun can be shorted? Is it very dangerous ( for the pc board? Is it possible to protect the board?

Thank you