10-7 CU (5.26mm2) XHHW-2 OR SIS RED 2500 FT

Southwire #: 37113801

600 Volt. Copper Conductor. Cross-Linked Polyethylene (XLPE) Insulation. High-Heat and Moisture Resistant. Also rated SIS.

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Southwire® XHHW-2 copper conductors are primarily used in conduit, Cable Tray or other recognized raceways for services, feeders, and branch circuit wiring, as specified in the National Electrical Code. XHHW-2 copper conductors may be used in wet or dry locations at temperatures not to exceed 90° C. Voltage rating for XHHW-2 conductors is 600 volts. Suitable for use in Health Care Facilities per Section 517.160 of the National Electrical Code where a dielectric constant of less than 3.5 maybe specified.


Stock # 37113801 37113801
Size (AWG or kcmil) (mm2) 10 AWG 10 AWG
No. of Conductors 1 1
No. of Strands 7 7
Nom. OD (mils) (mm) 177 4.50 mils mm
Insulation Thickness (mils) (mm) 30 0.76 mils mm
Nominal Total Weight (lbs/1000') (kgs/km) 39 58 lbs/1000' kgs/km
Allowable Ampacity at 60C 30 30
Allowable Ampacity at 75C 30 30
Allowable Ampacity at 90C 30 30
UPC # 032886240232 032886240232

Standards & References

Southwire® SIMpull XHHW-2® copper conductors comply with the following:

  • ASTM- B3, B8 (7, 19, 37, 61 Strands), B787 (19 Strands)
  • UL Standard 44
  • NOM-ANCE 90° C
  • Federal Specification A-A059544
  • CT Rated Sizes 1/0 AWG and Larger
  • Gas and Oil Resistant II sizes 8 AWG and larger
  • Sunlight (UV) Resistant – S 8 AWG and larger
  • National Electrical Code, NFPA 70
  • NEMA WC 70 Construction Requirements
  • FT4/IEEE 1202- Sizes 350 KCMIL and Larger
  • RoHS/ REACH Chemical Limit Compliant


Southwire® SIMpull XHHW-2® copper conductors are annealed (soft) copper. Insulation is an abrasion, moisture, and heat resistant thermoset cross-linked polyethylene (XLPE). Conductor sizes 8 AWG and larger are marked sunlight resistant. Colors are available and may be subject to economic order quantity.