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Do you need ground to run a 240 vac water heater?

Updated: 8/20/2019
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12y ago

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No, not really. The two hot legs can be opposite legs of a 120/240 V split phase power source. You still do need a protective earth ground, however, but the heater itself does not require a grounded neutral to run.

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12y ago
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Q: Do you need ground to run a 240 vac water heater?
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