Here in CA, (as are you skingusmc) Title 24 part 3, (with some enery related crapola in part 6) is the law of the land for the 2004 California Electrical Code, in the very least, effective 8/1/05. (2002 NEC with some changes) Cities and towns may further adopt or change things in that.
http://www.bsc.ca.gov/title_24.html
