18 Gauge Wire 12 Volt Single Conductor Stranded Remote 11 Rolls 25 Feet Each - Best Connections
100FT 18 AWG Gauge Electrical Wire, DC 12V Hookup Red Black Copper Stranded Auto 2 Cord, Flexible Extension Cable with Spool for LED Ribbon Lamp Light or Low Voltage - Amazon.com
Gardner Bender 18-ft 18-AWG Stranded Copper Wire (By-the-Roll) at Lowes.com