Thread: Can you use white for one leg of 240V circuit?
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dpb dpb is offline
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Default Can you use white for one leg of 240V circuit?
On 5/2/2011 12:20 PM, wrote:
....

OK lets look it up together.

Start in 250-60(b) where you get the permission to use the "GROUNDED"
conductor. (That is the neutral).
250-60(c) further says that grounded conductor "is insulated" unless
it is SE cable originating at the service equipment.

The practical result of that is that you will be using 10-3 if you use
Romex and usually that will turn out being 10-3/wg. The ground wire
was either cut off or terminated in the box.

Not the pertinent section.

As noted, 338-3(b) is the subject paragraph allowing the previous
practice that was modified.

The change to 4 wire was 1996

Seems about right; that's pretty close to "mid-90s".

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