XHHW-2, UL Type SIS1/XHHW-2, VW-1 Rated

Application

Type SIS1/XHHW-2, VW-1 is for use as general purpose wiring in residential, commercial, institutional and industrial construction at a maximum conductor temperature of 90°C in dry and wet locations; for installation in air, conduit or other raceways, in circuits not exceeding 600 volts. All sizes pass the vertical flame test (VW-1). Colors available. Sizes 1/0AWG and larger are for cable tray use and sunlight resistant. Sizes 2AWG and larger are listed and marked sunlight resistant in black only.

Compliances

  • UL 44 - Thermoset-Insulated Wires and Cables
  • UL 1685 - CT Flame Exposure Test
  • UL 1581 - Flame Exposure Test (VW-1)
  • IEEE 383 ((IEEE 1202/FT4 (2/0 AWG and larger)
  • Flame Test (70,000 Btu/hr Vertical Tray Test)
  • ICEA S-95-658 (NEMA WC70)

Construction

XHHW-2, UL Type SIS1/XHHW-2, VW-1 Rated XHHW-2, UL Type SIS1/XHHW-2, VW-1 Rated
Conductor Single copper conductor, stranded tinned annealed copper per ASTM B33 Class B stranding per ASTM B8
Insulation Flame-retardant and moisture resistant Cross-Linked Polyethylene (FRXLPE)
Color upon request, black is preferable

Parameters

AWG/kcmil Strand Nominal Conductor Diameter Nominal Insulation Thickness Nominal Overall Diameter CopperWeight Cable Weight
    Inch/mm Inch/mm Inch/mm Lbs/kft kg/km Lbs/kft kg/km
18 7 0.05 1.27 0.030 0.76 0.11 2.74 5 8 9 14
16 7 0.06 1.47 0.030 0.76 0.12 3.05 8 12 13 20
14 7 0.07 1.80 0.030 0.76 0.13 3.38 13 19 19 28
12 7 0.09 2.29 0.030 0.76 0.15 3.86 20 30 27 41
10 7 0.11 2.87 0.030 0.76 0.18 4.45 32 48 41 61
8 7 0.14 3.56 0.045 1.14 0.24 6.05 51 76 69 102
6 7 0.18 4.57 0.045 1.14 0.28 6.99 81 121 103 153
4 7 0.23 5.84 0.045 1.14 0.32 8.18 129 192 156 232
2 7 0.29 7.37 0.045 1.14 0.38 9.68 205 305 239 355
1/0 19 0.36 9.14 0.055 1.40 0.48 12.14 326 485 373 556
2/0 19 0.41 10.41 0.055 1.40 0.52 13.28 411 612 464 691
3/0 19 0.46 11.68 0.055 1.40 0.57 14.55 518 771 579 862
4/0 19 0.51 12.95 0.055 1.40 0.63 15.98 653 972 722 1075
250 37 0.56 14.22 0.065 1.65 0.70 17.75 772 1149 860 1280
350 37 0.66 16.76 0.065 1.65 0.80 20.37 1081 1609 1185 1764
500 37 0.79 20.07 0.065 1.65 0.93 23.65 1544 2298 1669 2484
600 61 0.87 22.10 0.080 2.03 1.04 26.42 1853 2757 2040 3035
750 61 0.98 24.89 0.080 2.03 1.14 28.96 2316 3446 2515 3742
1000 61 1.08 27.96 0.080 2.03 1.29 32.77 3086 4591 3310 4925
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