EFX Rogue Amp Kits features the best quality copper wire available for maximum current delivery and strict adherence to American Wire Gauge standards. The BC-5W2 compliant, UV and High-Temp resistant jacket with braided sleeving provides extra protection up to 220° F. Add to that our use of pure oxygen free copper flux-tinned conductors that deliver excellent corrosion resistance and installation reliability and you have the foundation for an exceptional audio power product.