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3-wire vs 4-wire for 220v: A Thorough Analysis!

Choosing between the different wire configurations has been a confusing topic for a good while. For 220v loads, there’s a common debate between the 3-wire and 4-wires settings.  What should you choose between 3-wire vs 4-wire for 220v? Appliances using only a 220v circuit do not require a neutral wire. So in most cases, a …

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