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Thread: Best Solar Panel Manufacturers

  1. #41
    Join Date
    May 2011
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    4,258
    Quote Originally Posted by electrofelon View Post
    I still stand by my belief that there is no functional requirement (other than NEC, UL, IEEE, etc "red tape") for the neutral conductor (except if the neutral is actually current carrying as has been mentioned, which in that case it shouldnt be designed that way IMO). As I said before, it just seems like something we could get rid of if everyone would get on the same page.

  2. #42
    Join Date
    Oct 2009
    Location
    Austin, TX, USA
    Posts
    9,591
    Quote Originally Posted by electrofelon View Post
    I wouldn't consider a neutral used only for voltage measurement with a high impedance meter to be current carrying. The NEC doesnt say its ok, but they dont say its not OK either.


    I still stand by my belief that there is no functional requirement (other than NEC, UL, IEEE, etc "red tape") for the neutral conductor (except if the neutral is actually current carrying as has been mentioned, which in that case it shouldnt be designed that way IMO). As I said before, it just seems like something we could get rid of if everyone would get on the same page.
    IIRC, the NEC expressly states that the neutral can be reduced to a size no smaller than the ECG if it is only used for voltage reference.

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