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Old 11-26-2010, 06:49 PM   #1
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220V | Question About The Two Hot Wires.


Hello all!



I just replaced my external 220v outlet, with an internal (in-wall) version; I rewired as it was before, black on the left prong, ground on the middle, and red on the right prong. But now I'm wondering if it matters where the two hot wires attached to. On my other outlet, I simply have two red wires attached to the left and right prongs, with the ground in the center.

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V
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Old 11-26-2010, 07:00 PM   #2
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the 2 hots are interchangeable
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Old 11-26-2010, 07:13 PM   #3
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FYI -- the outlet pictured is a non-grounding receptacle. NEMA 10-50R has 2 hots, and a neutral. All 3 wires are considered "current carrying" conductors.

Commonly used on older range circuits, where the frame of the appliance was grounded through the neutral conductor.
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