Standard available online
The National Electrical Contractors Association (NECA) recently released the National Electrical Installation Standards series 102-2004, Standard for Installing Aluminum Rigid Metal Conduit (RMC).
NECA 102 describes installation procedures for aluminum RMC, grounding considerations, and special procedures used with PVC-coated aluminum conduits. The standard was developed with Indalex Aluminum Solutions, a manufacturer of aluminum RMC.
To obtain a copy, call the NECA order desk at 1-301-215-4504 or a downloadable PDF is available at www.neca-neis.org.