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Old 11-16-2012, 02:26 AM   #1
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Is a neutral necessary for a 240v circut

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Old 11-16-2012, 05:57 AM   #2
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nope-----however many times the controls on a 220 circuit use a neutral to achieve 110

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Old 11-16-2012, 02:22 PM   #3
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Quote:
Originally Posted by Polarity View Post
Is a neutral necessary for a 240v circut
Depends. If the circuit is 120/230 you need the neutral. If the circuit is 230. it does not require a neutral.
A good example is your clothes dryer. It needs 120/230 and uses a neutral. On the other hand, your water heater uses 230. it does not require a neutral.
So the answer is "it depends on what circuit do you mean".
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