300-37 SD CU SIMpull (TM) THHN-THWN-2 MTW YELLOW 2500 FT

Southwire #: 55614804

600 Volts. Copper Conductor. Thermoplastic Insulation/Nylon Sheath, Heat, Moisture, 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

Stock # 55614804 55614804
Size (AWG or kcmil) (mm2) 300 KCMIL 300 KCMIL
No. of Conductors 1 1
No. of Strands 37 37
Nom. OD (mils) (mm) 736 18.69 mils mm
Insulation Thickness (mils) (mm) 60 1.52 mils mm
Jacket Thickness (mils) (mm) 9 0.23 mils mm
Nominal Total Weight (lbs/1000') (kgs/km) 1006 1497 lbs/1000' kgs/km
Allowable Ampacity at 60C 240 240
Allowable Ampacity at 75C 285 285
Allowable Ampacity at 90C 320 320
UPC # 032886913839 032886913839

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
  • CT Rated
  • VW-1
  • FT1
  • Sunlight Resistant
  • MTW
  • RoHS/REACH Compliant

Construction

Southwire® SIMpull THHN® copper conductors are made with soft drawn copper. Compressed copper 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. Marked sunlight resistant.