Medium Voltage Primary Underground Distribution

28KV Aluminum XLP MV LLDPE Jacket

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Medium Voltage Primary Underground Distribution

28KV Aluminum XLP MV LLDPE Jacket

Aluminum Conductor. TRXLP Insulation. Bare Copper Concentric Neutrals. Low Density Polyethylene Jacket.
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Application

Predominantly used for primary underground distribution in conduit systems suitable for use in wet or dry locations, direct burial, underground duct, and where exposed to sunlight. To be used at 28,000 volts or less and at conductor temperatures not to exceed 90°C for normal operation.

Specifications

measurement
imperial metric
Select a set of products below for more information:
Conductor Ground Wire
No. of Conductors Size (AWG or kcmil) No. of Strands Insulation Thickness (mils) (mm) Size (AWG) No. of Strands Nom. OD (mils) (mm) Nominal Total Weight (lbs/1000') (kgs/km) Allowable Ampacity
621534 1 1 1 AWG 1 AWG 19 19 280 7.11 1203 30.57 591 880
483412 1 1 1/0 AWG 1/0 AWG 1 1 280 7.11 1233 31.32 742 1104
616239 1 1 2/0 AWG 2/0 AWG 18 18 280 7.11 1284 32.62 789 1175
662995 1 1 3/0 AWG 3/0 AWG 18 18 280 7.11 1331 33.81 970 1443
600937 1 1 4/0 AWG 4/0 AWG 19 19 280 7.11 1459 37.07 1198 1783
607086 1 1 350 KCMIL 350 KCMIL 35 35 280 7.11 1527 38.80 1021 1520
606893 1 1 500 KCMIL 500 KCMIL 37 37 280 7.11 1781 45.24 1627 2422
606894 1 1 750 KCMIL 750 KCMIL 61 61 280 7.11 2033 51.65 2257 3358
607087 1 1 1000 KCMIL 1000 KCMIL 58 58 280 7.11 2065 52.47 2146 3194

Standards & References

Southwire 28kV HI-DRI Primary UD TRXLP Cable meets or exceeds the following ASTM specifications:

  • B231: Aluminum 1350 Conductors, Concentric-Lay-Stranded
  • B609: Aluminum 1350 Round Wire, Annealed and Intermediate Tempers, for Electrical Purposes
  • B3: Soft Annealed Copper Wire
  • ICEA S-94-649
  • AEIC CS-8
  • RUS U-1
  • CSA

Construction

The cable is composed of a moisture blocked unilay compact stranded 1350-H16/26 aluminum phase conductor, covered by a semi-conducting cross-linked polyethylene strand shield, a tree-retardant cross-linked polyethylene primary insulation, and a semi-conducting cross-linked polyethylene insulation shield. Conductors are available with 100% insulation level. A concentric neutral of bare copper wires and a sunlight resistant, -40°C rated, insulating linear low density polyethylene jacket are applied over the insulation shield. The cable is identified by surface print on the jacket and with the lightning bolt symbol for supply cables indented in the jacket. Has red extruded stripes.