SPEC 10002
SIMpull® THHN/THWN Copper Flexible Class C
600 Volts. Flexible Class C Copper Conductor. PVC Insulation/Nylon Sheath THHN/THWN. Heat, Moisture, Gasoline and Oil Resistant II. SIMpull® Technology for Easier Pulling.
Construction:
- Conductor: Flexible Class C soft drawn bare copper per ASTM B8
- Insulation: Heat and moisture resistant PVC
- Sheath: Nylon, SIMpull® Technology for Easier Pulling.
Applications and Features:
Southwire Flexible THHN/THWN copper conductors are primarily used in conduit for power circuits in commercial or industrial applications as specified in the National Electrical Code and other applicable codes and standards. Voltage for all applications is 600 volts. These conductors have multiple ratings depending upon the product application.
Allowable temperatures are as follows:
- THHN or T90 Nylon: Dry locations not to exceed 90°C
- THWN: Wet locations not to exceed 75°C or dry locations not to exceed 90°C or locations not to exceed 75°C when exposed to oil
- TWN75: Wet locations not to exceed 75°C
FEATURES
- Sunlight resistant
- Gasoline and Oil Resistant II
- FT4- All Sizes
- CT Rated
- VW-1
- FT1
- RoHS Compliant
Allowable temperatures are as follows:
- THHN or T90 Nylon: Dry locations not to exceed 90°C
- THWN: Wet locations not to exceed 75°C or dry locations not to exceed 90°C or locations not to exceed 75°C when exposed to oil
- TWN75: Wet locations not to exceed 75°C
FEATURES
- Sunlight resistant
- Gasoline and Oil Resistant II
- FT4- All Sizes
- CT Rated
- VW-1
- FT1
- RoHS Compliant
Specifications:
Sample Print Legend:
SOUTHWIRE SIMpull(TM) E23919 (UL) (XX AWG OR KCMIL) X,XXmm2 CU TYPE THWN OR THHN 600 VOLTS GR II PR II VW-1 OR AWM --- c(UL) T90 NYLON OR TWN75 600 VOLTS FT1 NOM-ANCE 90(D)C --- RoHS PAT www.patentSW.com
Table 1 – Weights and Measurements
| Cond. Size | Strand Count | Diameter Over Conductor | Insul. Thickness | Insulation Color | Jacket Thickness | Approx. OD | Copper Weight | Approx. Weight |
|---|---|---|---|---|---|---|---|---|
| AWG/Kcmil | No. of Strands | inch | mil | mil | inch | lb/1000ft | lb/1000ft | |
| 250 | 61 | 0.575 | 62 | BK | 9 | 0.715 | 771 | 845 |
| 350 | 61 | 0.681 | 62 | BK | 9 | 0.821 | 1081 | 1167 |
| 500 | 61 | 0.814 | 62 | BK | 9 | 0.954 | 1544 | 1645 |
| 750 | 91 | 0.999 | 70 | BK | 10 | 1.158 | 2316 | 2457 |
| 1000 | 91 | 1.152 | 70 | BK | 10 | 1.312 | 3088 | 3249 |
All dimensions are nominal and subject to normal manufacturing tolerances
◊ Cable marked with this symbol is a standard stock item
Table 2 – Electrical and Engineering Data
| Cond. Size | Min Bending Radius | Max Pull Tension | DC Resistance @ 25°C | AC Resistance @ 75°C | Inductive Reactance @ 60Hz | Allowable Ampacity At 60°C | Allowable Ampacity At 75°C | Allowable Ampacity At 90°C |
|---|---|---|---|---|---|---|---|---|
| AWG/Kcmil | inch | lb | Ω/1000ft | Ω/1000ft | Ω/1000ft | Amp | Amp | Amp |
| 250 | 2.9 | 2000 | 0.043 | 0.053 | 0.041 | 215 | 255 | 290 |
| 350 | 3.3 | 2800 | 0.031 | 0.039 | 0.040 | 260 | 310 | 350 |
| 500 | 3.8 | 4000 | 0.022 | 0.029 | 0.039 | 320 | 380 | 430 |
| 750 | 5.7 | 6000 | 0.022 | 0.023 | 0.038 | 400 | 475 | 535 |
| 1000 | 6.5 | 8000 | 0.018 | 0.019 | 0.037 | 455 | 545 | 615 |
*Ampacities based upon 2023 NEC Table 310.16. Also, see NEC sections 310.15 and 110.14(C) for additional requirements.
* Inductive Reactance is based on non-ferrous conduit with one diameter spacing center-to-center.
* Inductive Reactance is based on non-ferrous conduit with one diameter spacing center-to-center.
Revision: 1.000.030
Updated On: July 1, 2025, 1:51 p.m. UTC
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