This is a spool with 40 feet of black 20 AWG stranded copper hook-up wire.
Wire - AWG Stranded Wire
Wire
Wire
Pololu USB AVR Programmer v2.1 - Opencircuit
Use selection tabs above to select (1) cable gauge size and (2) cable length and insulation color. Available in 8 Gauge through 4/0 Gauge. Please
4 Gauge 4 AWG 20 Feet Black + 20 Feet Red Welding Battery Pure Copper Flexible Cable Wire - Car, Inverter, RV, Solar
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
Buy Loose wire? - Opencircuit
5V, 4A Step-Up/Step-Down Voltage Regulator S13V30F5 - Opencircuit
5V, 2A Pololu Step-Up/Step-Down Voltage Regulator S18V20F5
5V, 1A Step-Up/Step-Down Voltage Regulator S13V10F5 - Opencircuit
Black 18 Gauge AWG 500' Feet ft Stranded Primary Remote Wire Cable