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Do-It-Yourself (DIY) Question & Answer Forum
Transformer welder: my puzzle
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<blockquote data-quote="poni" data-source="post: 554449" data-attributes="member: 1497"><p>You should have the welding earth/return as close the the point of work as possible , to prevent the current returning by the building earthing conductors, I cant remember the number of times I had to change cables because there was a bad connection in the return path, and all the return current going back through 6mm2 earth cable and melting the PVC off the cable , worse when its a 3 or 4 core flex</p><p></p><p>I aways thought that most electric welder's worked on around 36V DC, and you can get a shock from them if you are working in a damp or wet area,</p></blockquote><p></p>
[QUOTE="poni, post: 554449, member: 1497"] You should have the welding earth/return as close the the point of work as possible , to prevent the current returning by the building earthing conductors, I cant remember the number of times I had to change cables because there was a bad connection in the return path, and all the return current going back through 6mm2 earth cable and melting the PVC off the cable , worse when its a 3 or 4 core flex I aways thought that most electric welder's worked on around 36V DC, and you can get a shock from them if you are working in a damp or wet area, [/QUOTE]
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Transformer welder: my puzzle
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