Historical
ANSI C80.5-2015
Electrical Rigid Metal Conduit - Aluminum (ERMC-A)
This standard covers the requirements for porthole-extruded aluminum-alloy 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.
Content Provider
NEMA: National Electrical Manufacturers Association [nema]