- 4 AWG THHN THWN-2 Copper conductors are primarily used in conduit and cable trays, when approved, for services, feeders and branch circuits in commercial or industrial applications as specified in the National Electric Code. THHN THWN-2 applications are suitable for use in either wet or dry applications, with temperatures that do not exceed 90°C.
- Stranded soft drawn copper, per ASTM.
- Heat and moisture resistant colored polyvinyl chloride PVC insulation, with a clear nylon (polyamide)
- Size 1/0 & larger suitable for cable tray use.
- ASTM B-1, B-3, B-8.
- Federal Spec J - C - 30B
| Size AWG | 4 |
|---|---|
| Number of Strands | 19 |
| Insulation Thickness (inches) | 0.040 |
| Nylon Thickness (inches) | 0.006 |
| Overall Diameter (inches) | 0.330 |
| Weight (lbs/1000ft) | 155 |
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