The terms welding cables or welding leads are used to mean the same thing. Cables used for welding must be: 1- Flexible 2- Well-insulated 3- Correct size for the job. Most welding cables are made from stranded copper wire. Some manufacturers sell a newer type of cable made from aluminum wires. The aluminum wires are lighter and less expensive than copper. Because aluminum as a conductor is not as good as copper for given wire size, the aluminum wire should be one size larger than would be required for copper. The insulation on welding cables will be exposed to hot … Continue reading Welding Cable or Lead set-up