Safer Fracker but still dangerous if worked improperly.

Someone asked me about the Fracker I made. First, I will have to say that I learned how to do this from Jim Jakosh who live here near me in the winter months. We have become good friend, and we exchange ideas and procedures. Jim is the reason I came on this site. I did want to make this thing as safe as I could even though it is still very dangerous if you touch the wrong thing. This has a master switch(toggle), a light to show the master is on and a dial with a push switch so it has two off switches. I also used ½” PVC and then put over that 3/4”ID car water rubber hose so you are always touching rubber not PVC as PVC can have or even develop pin holes and if you have your hand on the PVC over a pin hole, well, I hope you have many friends at your funeral. I also wear rubber shoes, so I am not grounded. The wires on the inside of the small toolbox have quick disconnects so if you need to replace an item you can do this quickly without having to remove solder joints. I did find that if the current with the dial is low the current flows from negative to positive and if it's turned all the way up it will flow in both directions so I can run it on low and direct the burn where I wish it to go. I hope this explains it all and if anyone has any questions let me know. BUILD IT AT YOUR OWN RISK.