- Four pair, 23 AWG Solid conductors- Convenient, 1,000’ easy pull box- CMR Rated- UL Listed- Conductors 23 AWG Solid Copper- Pairs: 4- Insulation: Insulation Grade Polyolefin- Diameter: 0.037” (0.93mm)- Jacket: FR Polyvinylchloride (PVC)- Diameter: 0.212” (5.4mm)