Information regarding the Aluminum cable for the Galaxy VX products
Published date:
08 May 2018
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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