Montana Adopts 2008 NEC
Effective July 30, 2010, Montana began enforcement of the latest edition of the National Electrical Code, marking completion of adoption efforts for states in the west. Only a few isolated jurisdictions have not moved to the 2008 NEC, or at least completed have completed the adoption process and are awaiting implementation. California adopted in January 2010 and will begin enforcement on January 1, 2011, and the Clark County/ Las Vegas area will begin enforcement in July 2011. Hawaii has also adopted the 2008 NEC, but implementation is uncertain pending disposition of other construction codes. Only the metropolitan areas of Tucson, AZ and Reno/Sparks, Nevada are still on the 2005 Edition with no definitive plans to move forward in the foreseeable future.
The Montana Building Codes Bureau made only a few modifications to the technical requirements of the current NEC:
24.301.411 WIRING STANDARDS (1) The National Electrical Code is amended as follows: