Marco:
You have opened a can of worms. I hope you are happy!
Are you looking for the legal definition or to discover if the neutral
conductor actually carries current? The answer to the legal definition is
in 310.15(B)4 (2002), and the answer is: It depends (on the type of
service). This on-line article sums it up
well: http://ecmweb.com/nec/code-basics/electric_conductor_size_matters/
William Miller
PS: In my opinion, the neutral is a current carrying conductor in any
system. Disconnect it at your peril.
William
At 02:41 PM 5/13/2010, you wrote:
Content-Type: multipart/alternative;
boundary="----=_NextPart_000_0078_01CAF291.3BA43F40"
Content-Language: en-us
I have a disbelieving business partner who believes that the neutral
conductor in a standard 120/240VAC service is a current carrying conductor.
Could someone please disabuse him of that notion?
Thanks,
marco
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