1/2" 3/4" USA Canada Standard Rigid PVC Corrugated Conduit Non-Metallic Conduit Rustproof Insulation for Cables and Wires. V0 Fire Resistance: Self-extinguishing within 5 seconds to prevent fire spread and ensure safety. Rustproof & Corrosion Resistant: Non-metallic PVC material resists rust, acid, alkali, and salt corrosion. UV & Weather Protection: Outstanding UV resistance prevents aging, suitable for outdoor and buried use. High Impact Strength: Withstands 2.7J impact and up to 4448N anti-bend force without cracking. Easy Installation: Lightweight, flexible design with quick connect fittings saves labor costs. Customizable Options: Available in Grey, Blue, Red, Yellow, or Customized colors and lengths. Direct Burial Ready: Optimized for concrete and underground environments with IP68 rating.