See the 2002 NEC Sections 322.120(C); 400.22; 424.35; 504.80(C)
Thanks, Redsy: I fixed the mistake I made, I should have remembered that one because I once got that wrong on a test when the answer was in fact light blue for the grounded conductor in a cord!
[This message has been edited by Joe Tedesco (edited 03-07-2002).]