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    Information regarding the Aluminum cable for the Galaxy VX products

    Issue:
    Information regarding the Aluminum cable for the Galaxy VX products.
    Recommended Aluminum Cables for 1250KW
    Recommended Aluminum Cables for -1500KW
    Recommended Bolt and Lug Sizes for Aluminum Cables
     

    Product line:
    All Galaxy VX 1250 KW, 1500KW
     

    Environment:
    All models, All serial numbers
     

    Cause:
    Recommended Aluminum Cables for 1250KW – 1500 KW
    Recommended Bolt and Lug Sizes for Aluminum Cables
     
     
    Resolution:
    Cable sizes are based on Table 310.15 of the National Electrical
    Code 2014 (NEC) with the following assertions:
     
    • 90 °C conductors (THHN) for 75 °C termination
    • Not more than three current carrying conductors in each conduit
    • An ambient temperature of 30 °C
    • Use of copper or Aluminum conductors
    • 100% rated breakers
     
    If the ambient room temperature is greater than 30 °C, use larger or additional
    parallel conductors in accordance with the correction factors of the NEC. The
    maximum allowable conductor size is 600 kcmil.
     
    Equipment Grounding Conductors (EGC) are sized in accordance with NEC Article
    250.122 and Table 250.122.
     
    Recommended Aluminum Cables
     

     
     
     
     
    Recommended Bolt and Lug Sizes for Aluminum Cables
     

     

     

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