Professional-grade 500-foot spool of 12 AWG THHN/THWN copper wire engineered for reliable electrical installations. RoHS-compliant stranded construction delivers superior flexibility and durability in demanding applications. Rated for 600V, this copper wire meets industry standards for residential, commercial, and industrial wiring projects. The full 500-foot length minimizes splice points and reduces labor time on job sites. Ideal for panel upgrades, branch circuits, and equipment connections where code compliance and performance matter.