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NEMA Publishes New Standard for Underground High Density Polyethylene Conduits

04/14/2017 1:00PMSign-up to receive press releases.

ROSSLYN, Va.—Today the National Electrical Manufacturers Association (NEMA) published a new standard for high density polyethylene (HDPE) conduits. NEMA TCB 4-2016 Guidelines for the Selection and Installation of Smooth-Wall Coilable High-Density Polyethylene (HDPE) Conduit provides recommendations for the selection, handling and installation of underground HDPE conduit or raceway for power, lighting, signaling, and communications applications.

"These new guidelines give contractors who install HDPE conduit and raceway systems important guidance on proper selection and handling, which our industry believes will lead to the most appropriate and satisfactory installations," said Andrew Nause, chair of the Polymer Raceway Section Technical Committee. "NEMA thanks the Plastics Pipe Institute for their assistance in developing NEMA TCB 4."

NEMA TCB 4-2016 is available for $81 in hard copy and as an electronic download on the NEMA website.


The National Electrical Manufacturers Association (NEMA) represents 350 electrical and medical imaging manufacturers at the forefront of electrical safety, reliability, resilience, efficiency, and energy security. Our combined industries account for more than 400,000 American jobs and more than 7,000 facilities across the United States. Domestic production exceeds $114 billion per year and exports top $50 billion.

Press contact:
Tracy Cullen


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