18-Gauge 2-Conductor Stranded Copper Wire for Single-Color LED

5/20M Single Core Copper Wire 26 24 22 20 18 16 14 AWG PVC Insulation

Hook-up Wire 2-Conductor - Clear (22AWG-7x30, Stranded, 25ft

Monoprice Speaker Wire, CL2 Rated, 4-Conductor, 18AWG, 100ft

18 AWG, 6 Wire, conductor(34/0.16TS) UL1007, 656 Ft (200m)/roll

OOK 25 ft. 35 lb. 18-Gauge Copper Hobby Wire 50161 - The Home Depot

2 Conductor 18 Gauge Shielded Twisted Pair Cable Belden Equivalent

18 AWG 2 conductor parallel silicone wire,ultra flexible soft

18 AWG 2 Conductor Stranded Shielded Plenum Speaker and LED Lighting Cable 500ft / White

What wires to use? - General Electronics - Arduino Forum