These requirements cover steel electrical rigid metal conduit (RMC), nipples, elbows, and couplings. This conduit is provided in trade sizes 3/8 - 6 (12 - 155), for use as a metal raceway for the installation of wires and cables in accordance with the National Electrical Code. The values in parentheses are metric designators of conduit.
UL 6 BULLETINS-2004 history
2022UL 6-2022 UL Standard for Safety Electrical Rigid Metal Conduit – Steel
2018UL 6 BULLETIN-2018 UL Standard for Safety Electrical Rigid Metal Conduit - Steel (COMMENTS DUE: June 17@ 2018)
2014UL 6 BULLETIN-2014 UL Standard for Safety Electrical Rigid Metal Conduit - Steel (COMMENTS DUE: APRIL 28@ 2014)
2013UL 6 BULLETIN-2013 UL Standard for Safety Electrical Rigid Metal Conduit - Steel (COMMENTS DUE: DECEMBER 18@ 2013)
2010UL 6 BULLETIN-2010 UL Standard for Safety Electrical Rigid Metal Conduit – Steel (COMMENTS DUE: October 04@ 2010)
2007UL 6 BULLETIN-2007 UL Standard for Safety Electrical Rigid Metal Conduit – Steel (COMMENTS DUE: MAY 24@ 2007)
2007UL 6-2007 UL Standard for Safety Electrical Rigid Metal Conduit – Steel (Fourteenth Edition; Reprint with revisions through and including November 30@ 2010)