T90 Nylon TWN75 cables are manufactured with annealed (soft) copper conductor and a tough, heat and moisture-resistant thermoplastic polyvinyl chloride (PVC) insulation. Sizes AWG 14 (19) through AWG 4/0 (19) are manufactured using combination unilay stranding; all other stranded sizes are manufactured using compressed stranding. THHN, THWN-2, MTW – (UL) – suitable for dry locations not exceeding 90°C. For Gasoline and Oil Resistant II applications not to exceed 75°C. MTW (UL) – suitable for dry locations not exceeding 90°C. For wet locations, Gasoline and Oil Resistant II applications not to exceed 60°C. T90 Nylon c(UL) – cables are primarily intended for installation in conduit (raceways) as exposed wiring in dry locations not exceeding 90°C. TWN75 c(UL) – suitable for wet or dry locations at not more than 75°C. The maximum voltage rating for all intended applications is 600 volts. Minimum installation handling temperature is limited to -25°C. Minimum operating temperature limited to -40°C.
Specifications
| Brand Name | Southwire | Item Name | T90/TWN75 Building Wire |
| Wire Gauge Size | 3 AWG | Stranded/Solid | Stranded |
| Number of Strands | 19 | Length | 984 ft |
| Conductor Material | Copper | Insulation Material | PVC |
| Jacket Material | PVC | Jacket Color | Black |
| Outside Diameter | 0.352 in | Insulation Thickness | 40 mil |
| Jacket Thickness | 5 mil | Weight per 1000 Foot | 162 lb |
| Temperature Rating | 90 °C | Standards | ASTM B3, ASTM B8, ASTM B787, ASTM B787 19, CSA FT-1 Flame Test, CSA Certified LL90458, NOM Certified, UL Listed |








