Conductor: Annealed electrolytic bare or tinned copper. According to / EN 13602.
Braided: copper conductors, braided together, diameter on demand.
These cables are a combination of an internal braided cable which has an outer tubular braid to provide greater mechanical stability. The general tubular braid holds the cable with possible breakage which can be caused by series movements. The general tubular braid also provides a larger cross section than nominal.
Electric welding service and electric furnaces.