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What is the reasoning behind connecting a 480 volt neutral to a 120/208 volt neutral on a 75 kVA 3 phase 480 volt transformer fed from a 480 volt 5 wire bus plug?

Asked by Francis Silva
3 weeks ago
Last Updated: November 13, 2024

I don’t understand why someone would connect a 480 volt neutral to a 120/208 volt neutral on a 75 kva 3 phase 480 volt transformer. The 480 volts is coming from a 480 volt 5 wire buss plug. Can you explain that to me?

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Nicolas Singh

Both neutral wires should be connected to the same grounding system. That was the wrong answer, please disregard.

Perla Quintanilla

Louisiana, huh?

Deann Williamson

Are you a real electrician, ?

Ramses Véliz

Oh yeah, definitely brings the fire every day!

Devon Wood

Do you know what an Autotransformer is?

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