Shanghai jian & mei is a pofessional manufacturer of high strength bolts more than 8 years.They are include: Heavy Hex Structural Bolts, Heavy Hex Nuts, F436 Flat Washers, U-Bolts, Weld Stud with Ceramic Ferrule, etc
This video is presented for entertainment purposes only. Design, build, and/or use a device like this solely at your own risk
WeldingWeb Thread here:
https://weldingweb.com/showthread.php?11537-HOW-TO-make-a-220V-extension-cord
Or you can just buy one:
https://lmgtfy.com/?q=220V+Extension+Cord+for+Welder