Covers the requirements for porthole-extruded aluminum-alloy conduit used as a raceway for the wires or cables of an electrical system.
Content Provider
NEMA: National Electrical Manufacturers Association [nema]
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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.
