- You should check the external cable of the welding machine before every use. You should pay great attention and be careful when using it - check that the welding joints are tight and must be clean and free of dirt.
-Before use, the external extension wire of the welding machine should be checked. Extreme caution should be exercised during use.<br>-Check whether the welded joint is secure and must be clean and free of impurities.
-Check the external wiring of the welding machine before each use, and be very careful when using it.<br>-Check whether the welding line joint is firm and must be clean and free of impurities.