Covers the requirements for electrical rigid aluminum conduit for use as a raceway for the wires or cables of an electrical system. The finished conduit is produced in nominal 10-ft (3.05 m) lengths, threaded on each end with one coupling attached. This
ANSI C80.5-2005 history
2020ANSI C80.5-2020 American National Standard for Electrical Rigid Metal Conduit— Aluminum (ERMC-A)
2024ANSI C80.5-2015 American National Standard for Electrical Rigid Metal Conduit -- Aluminum (ERMC-A)