Amazon.com: GS Power 100% Copper 20 AWG (American Wire Gauge) Stranded Red/Black 2 Conductor Bonded Zip Cord Cable for Low Voltage Car Electronic Audio LED Light - 50 ft (Also in 100 & 200 ft) : Electronics
6 Colors Wire Kit - 20 Gauge AWG Automotive Primary Cable Pure Copper 16ft/35ft/60ft/100ft/ EA US - Walmart.com
20 AWG PVC Electrical Hookup Lead Wire Cable Stranded Tinned Copper Color UL1007 | eBay