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Elizabeth BensonSep 9, 2025
What causes arc or short circuit between contact tip and gas nozzle in LORCH M 2020?
- DDustin PalmerSep 9, 2025
An arc or short circuit between the contact tip and gas nozzle in your LORCH Welding System can be caused by spatter build-up inside the gas nozzle. Remove it with special pliers.







