High quality ultra flexible soft 30 gauge black silicone ribbon copper wire
Flat Ribbon Cable 2/3/4/5/6P Hook-up Wiring Flexible PVC Wire for LED Connector | eBay
Ribbon cable, 2-inch, 4-pin - Syntaur
TronicsPros LED Connector 4 Pin LED Tape Connector RGB LED Ribbon Connector LED Controller Connector Cable LED Rope Jumper 4pin Female Wire for RGB 5050 3528 2835 LED Light, 15cm/ 6in (10pcs) - Amazon.com