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Recent content by thenoob

  1. thenoob

    transformer conductor calculations

    If I have a 3 phase transformer rated at 30kVA, 600V primary, 120/208V secondary: Ip=[30x1000]/[600x1.73]=28.9A (then multiply by 1.25 for code) and the cable size would be #8AWG Is=[30x1000]/[208x1.73]=83.3A (then multiply by 1.25 for code) and the cable size would be #2AWG And for a 1...
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