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NEMA Revises Standard for High-Density Polyethylene Raceway Conduit

03/17/2017 2:00PMSign-up to receive press releases.

ROSSLYN, Va.—Today, the National Electrical Manufacturers Association (NEMA) released its standard for high-density polyethylene (HDPE) conduit. NEMA TC 7-2016 Smooth-Wall Coilable Electrical Polyethylene Conduit establishes requirements for several wall types of HDPE conduit used in raceways for electrical and communication cables buried underground or concrete encased. Applications include power distribution, site lighting, signal and control, and supervisory control and data acquisition.

"The new edition of NEMA TC 7 adds the definition for EPEC-15.5 HDPE and new dimensional and pipe stiffness requirements for this conduit type," said Andrew Nause, manager of codes and standards, electrical at IPEX Group, and chair of the Polymer Raceway Section Technical Committee. "Additionally, the standard specifies new UV stabilization and outdoor storage stability requirements."

NEMA TC 7-2016 is available for $72 in hard copy or as an electronic download on the NEMA website.


The National Electrical Manufacturers Association (NEMA) represents nearly 325 electrical equipment and medical imaging manufacturers that make safe, reliable, and efficient products and systems. Our combined industries account for 370,000 American jobs in more than 6,100 facilities covering every state. These industries produce $124 billion in shipments and $42 billion in exports of electrical equipment and medical imaging technologies per year.

Press contact:
Tracy Cullen


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