LEB Ben
Arrogant A-hole At-Large
Was doing a little searching and whatnot and came across a 2006 manual...which appears to be the most recent copy available online. Anyway, if you have any questions about your rigs and don't feel like calling the DOT or DMV...this should give you a relatively close answer:
http://www.ncdot.org/dmv/vehicle_se...ionsmanual/download/CR435NCDOTEnforcement.pdf
http://www.ncdot.org/dmv/vehicle_se...ionsmanual/download/CR435NCDOTEnforcement.pdf