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  1. TWCCElec

    25kv delta/480v wye trans

    At our coal mine, we use 25kv/480v trans for our dewatering fields. When recently wiring up a new panel attached to the secondary on said transformer, my boss told me to wire from the secondary tap to the 400A main with parallel 2/0. Coming from construction, I know 2/0 is only good for 200A on...

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