THHN 4 Str Cu SIM Rd

Southwire #: 20498299

600 Volts. Copper Conductor. Thermoplastic Insulation/Nylon Sheath, Heat, Moisture, Sun, Gasoline and Oil Resistant II. Rated THHN and THWN-2. Also rated MTW. SIMpull® Technology for Easier Pulling.

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Application

Southwire® SIMpull THHN® copper conductors are primarily used in conduit and cable trays for services, feeders and branch circuits in commercial or industrial applications as specified in the National Electrical Code. Voltage for all applications is 600 volts. SIMpull THHN® copper conductors are designed to be installed without application of a pulling lubricant.

  • THWN-2- Wet or dry locations not to exceed 90° C or locations not to exceed 75° C when exposed to oil

Specifications

measurement
imperial metric
Stock # 20498299 20498299
Size (AWG or kcmil) 4 AWG 4 AWG
No. of Conductors 1 1
No. of Strands 19 19
Nom. OD (mils) (mm) 322 8.18 mils mm
Insulation Thickness (mils) (mm) 40 1.02 mils mm
Jacket Thickness (mils) (mm) 7 0.18 mils mm
Nominal Total Weight (lbs/1000') (kgs/km) 154 229 lbs/1000' kgs/km
Allowable Ampacity at 60C 70 70
Allowable Ampacity at 75C 85 85
Allowable Ampacity at 90C 100 100

Standards & References

Southwire® SIMpull THHN® copper conductors comply with the following:

  • ASTM - B3
  • UL Standards 83 and 758
  • CSA C22.2 No. 75
  • NOM-ANCE 90° C
  • Federal Specification A-A-59544
  • National Electrical Code, NFPA 70
  • VW-1
  • FT1
  • MTW
  • RoHS/REACH Compliant
  • Sunlight Resistant

Construction

Southwire® SIMpull THHN® copper conductors are made with soft drawn copper. Combination-unilay stranding. The wire is covered with a tough heat and moisture resistant PVC insulation with an overall nylon jacket utilizing SIMpull® Technology. Marked as THWN-2.