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  1. ziggy-zag

    Voltage Drop Increase on a Minimum Neutral for a 3W Service?

    I have a 225A fused service entrance disconnect, 480V, 3PH, 3W. Ordinary utility owned transformer, ordinary wye-gnd secondary. Service conductors to be 3-#4/0 with a neutral i.e. grounded conductor (GC) per 250.24(C). GC to be #2 per Table 250.102(C)(1). Then, realizing it is almost 1500 feet...

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