The NEP Series power cables use patented UP-OCC
Copper is the finest Copper available. This cable uses multi-size stands of which some are Silver plated. Each stranded conductor yields a 13 gauge equivalent. This 3/13 construction is shielded with both aluminum/mylar and braided tinned OFC.
NEP-3003 mkIII measures 0.46" (11.6mm) in diameter.
Priced and sold per foot (0.305 meter).