Quote:
Originally Posted by 1990C4S
Two 115 V circuits requires two neutrals, and would be supplied with a pair of two conductor wires.
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No
Say you have a workshop 50 feet away and you want a series of 115 receptacles down two walls where each wall requires a 20 amp breaker. You would put a two pole breaker in the box (supposed to at least), run red, black and white wires the 50 feet and then parallel the neutral to each wall. Even when each leg is drawing 20 amps (40 total) there will never be more than 20 in the neutral.
I expect with the price of copper you will see more of this.