What THHN 10 AWG Wire Is
- Type: THHN / THWN — Thermoplastic High‑Heat‑Resistant Nylon‑coated wire
- Size: 10 AWG (≈5.26 mm²)
- Color: Black insulation
- Voltage rating: Up to 600 V
- Conductor: Copper (solid or stranded)
- Use: General electrical wiring, branch circuits, receptacles, lighting, conduit systems
THHN is widely used for building power and lighting circuits in residential, commercial, and industrial installations; the nylon jacket helps with abrasion resistance and pulling through conduit.