This 1000-foot spool of tinned copper building wire from Perfect Vision features a #2 AWG conductor stranding and green THW-2 jacket. The tinned copper strands provide increased conductivity and corrosion resistance compared to bare copper. The flexible stranding allows for easy installation while maintaining durability and performance. The THW-2 jacket is resistant to oil, gas, water and moisture, making this an ideal wire for exposed outdoor applications. This high-quality wire is UL listed for added safety and compliance.