250 STR 3E AL RWU90 XLPE 1000V -40C BLACK 4921 FT

Southwire #: 56879215

Aluminum Conductors, XLPE Insulation, 1000V / -40ºC MIN, 90ºC MAX, Sunlight Resistant.

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Application

Southwire's Aluminum RWU90 is designed for direct earth burial (with protection as required by the Canadian Electrical Code Part I). It can also be used for open wiring, used in raceways for service entrance above or below ground.

  • Sequential Markings
  • The minimum recommended installation temperature is -40°C (with suitable handling procedures). Maximum conductor temperature is 90°C.

Specifications

measurement
imperial metric
Stock # 56879215 56879215
Size (AWG or kcmil) 250 KCMIL 250 KCMIL
No. of Strands 22 22
Nom. OD (mils) (mm) 740 18.80 mils mm
Nominal Total Weight (lbs/1000') (kgs/km) 326 485 lbs/1000' kgs/km
Allowable Ampacity at 75°C Open Air - -
Allowable Ampacity at 90°C Open Air - -
Allowable Ampacity at 75°C Cable in Conduit 205 205
Allowable Ampacity at 90°C Cable in Conduit 230 230

Standards & References

Southwire’s RWU90 cables meet or exceed the following requirements:

  • CSA VW-1
  • CSA Standard C22.2 No. 38 File Listing LL90458
  • CSA - Rated SR for Sunlight Resistance

Construction

  • 8000 Series Aluminum Alloy Class B compact stranded conductor with extra thickness on the moisture resistant, low temperature, cross linked polyethylene (XLPE) insulation insulation. Rated at 1000 volts. Sunlight resistant.
  • Rated at 1000 Volts.
  • Black conductors are SR rated for sunlight resistance.
  • Aluminum Conductor
  • XLPE Insulation

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