Almost Fried, with all the switched power supplies everywhere, reduced neutrals is no longer such a good idea. (Not that residences are going to have large VFDs or whole-house UPSs, but still) We've had serious problems in buildings built with undersized neutrals and have been forced into expensive repairs to try to remedy the (I'm not exaggerating) cherry-red neutrals! It honestly wouldn't surprise me if future revisions of NEC mandate neutrals LARGER than that of the phase conductors to account for the continuous harmonic current the neutrals are subjected to. Either that, or OCP on the neutrals as well as the phase conductors.
[This message has been edited by SteveFehr (edited 10-21-2006).]
