5 AWG 8N OCC Pure Copper Hi-Fi Speaker Wire for Audio Speaker Bi-Wire Cable Cord. Conductor: 8N OCC Red Pure Copper. Color: Transparent+White (24 Strands). Gauge: 0.6 MM² / Strand 24 Strands = 14.4 MM² ≈ 6 AWG~5 AWG.
eBay