150' EA THHN THWN 4 AWG GAUGE BLACK WHITE RED COPPER WIRE + 150 10 AWG GREEN | eBay
600V CSA Certificated Electric 4/6/8/10/12/14 AWG Gauge Thhn Thwn-2 Cable Building Wire - China Thhn Wire, Building Wire | Made-in-China.com
AC/DC Wire and Supply 10' EA THHN THWN MTW 4 AWG Gauge - Black - White - Red - Green - Ground Hook Up Copper Stranded Building Hook Up Wire: Amazon.com: Tools & Home Improvement