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  1. zzzztttt

    If the primary feeds are in phase and rotation, why isn't secondary?

    I have three 15 KV X 480 Volt transformers fed by three 15 KV feeders from the same 15 KV switch line up. Here's the problem: The primary feeders of the three transformers are in phase and rotation and the secondary sides are not. All three are straight from the factory with no field mods...

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