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Why neutral is required?

Updated: 8/10/2023
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9y ago

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Neutral is the current return for the hot leg(s). Neutral is grounded, so as to limit the maximum voltage of any of the hots with respect to earth ground.

In a typical residential 120/240VAC split phase system, either of the hots with respect to neutral is 120VAC.

In a three phase system, neutral is at the center of the wye configuration, and each of the three hots returns power to it.

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14y ago
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Q: Why neutral is required?
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