XHHW-2 direct burial electrical cable
XHHW is flame retardant polyolefin insulated power cable, is one kind of American Standard cable.
XHHW-2 direct burial electrical cable
 
The insulating materials is XLPE (cross-linked polyethylene), is made of PE material through physical or chemical crosslinking method make polymer molecules from the chain into network, called for "superplastic materials". Mainly used in the power supply line of the manufacturing equipment, has good heat resistance, resistance to extrusion and environmental cracking resistance, while such products also have good flame retardant and low smoke halogen free performance.
 
XHHW-2, 600V, aluminum tape armored, MC class
 
Application and description:
600V MC cable can be installed outdoors, directly buried, laying on metal frame, cable bracket, groove or continuous rigid cable bracket. MC requirements of the UL class, used for the continuous working temperature of the cable conductor is 90 degrees in the wet / dry environment. Used for Grade 1, 2 area, 2 grade, 3 grade, 1 district dangerous places.
 
Standards and certification:
UL 44 - thermosetting material insulated wires and cables
UL 1569 - coated metal cable
IEEE 1202 - flame test (70000 Btu/hr) installed in cable tray cable in commercial applications
ICEA T-29-520 -  cable vertical burning flame test s (210000 Btu/hr)
ICEA S-95-658 (NEMA WC 70) Structural requirements
 
Cable structure:
Conductor: compact type concentric stranded copper conductor B class, follow ASTM B3, B8 and ICEA .
Insulation: flame retardant and moisture resistant crosslinked polyethylene (FRXLPE).
Grounding: concentric stranded copper conductor compact type B, followed by ASTM B3, B8
Form of cabling: filled with insulation between the conductors, the gap add the ground wire, and then  adhesive tape around the package.
Armour: lap type aluminium armour
Sheath: flame retardant, resistant to daylight PVC (CPE/LSOH material optional)
Color: black, other colors available.
 
Cable parameter:

Wire gauge Conductor
Inch/mm
Nominal thickness of insulation
Inch/mm
Nominal insulation outside diameter
Inch/mm
Ground wire gauge Cable diameter
Inch/mm
Sheathed outside diameter
Inch/mm
Nominal thickness of sheath
Inch/mm
Nominal cable diameter
Inch/mm
Nominal cable weight
Lbs/kft
kg/km
3 core
8 0.139 3.53 0.045 1.14 0.232 5.89 10 0.510 12.95 0.720 18.29 0.050 1.27 0.820 20.83 405 603
6 0.174 4.42 0.045 1.14 0.267 6.78 8 0.586 14.88 0.796 20.22 0.050 1.27 0.896 22.76 550 819
4 0.221 5.61 0.045 1.14 0.314 7.98 8 0.685 17.40 0.895 22.73 0.050 1.27 0.995 25.27 727 1082
2 0.277 7.04 0.045 1.14 0.370 9.40 6 0.808 20.52 1.018 25.86 0.050 1.27 1.118 28.40 1048 1560
1 0.322 8.18 0.055 1.40 0.435 11.05 6 0.948 24.08 1.158 29.41 0.050 1.27 1.258 31.95 1269 1888
1/0 0.362 9.19 0.055 1.40 0.475 12.07 6 1.034 26.26 1.244 31.60 0.050 1.27 1.344 34.14 1533 2281
2/0 0.405 10.29 0.055 1.40 0.518 13.16 6 1.127 28.63 1.337 33.96 0.050 1.27 1.437 36.50 1823 2713
3/0 0.454 11.53 0.055 1.40 0.567 14.40 4 1.233 31.32 1.443 36.65 0.050 1.27 1.543 39.19 2262 3366
4/0 0.510 12.95 0.055 1.40 0.623 15.82 4 1.354 34.39 1.664 42.27 0.060 1.52 1.784 45.31 2814 4187
250 0.558 14.17 0.065 1.65 0.691 17.55 4 1.501 38.13 1.811 46.00 0.060 1.52 1.931 49.05 3275 4874
350 0.661 16.79 0.065 1.65 0.794 20.17 3 1.723 43.76 2.033 51.64 0.060 1.52 2.153 54.69 4396 6542
500 0.790 20.07 0.065 1.65 0.923 23.44 2 2.002 50.85 2.312 58.72 0.075 1.91 2.462 62.53 6104 9083
750 0.968 24.59 0.080 2.03 1.131 28.73 1 2.455 62.36 2.765 70.23 0.075 1.91 2.915 74.04 8860 13184
4 core
250 0.558 14.17 0.065 1.65 0.691 17.55 4 1.676 42.57 1.986 50.44 0.060 1.52 2.106 53.49 4204 6255
350 0.661 16.79 0.065 1.65 0.794 20.17 3 1.925 48.90 2.235 56.77 0.060 1.52 2.355 59.82 5647 8402
500 0.790 20.07 0.065 1.65 0.923 23.44 2 2.240 56.90 2.550 64.77 0.075 1.91 2.700 68.58 7857 11691


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