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NEMA - TC 7

Solid-Wall Coilable and Straight Electrical Polyethylene Conduit

active, Most Current
Organization: NEMA
Publication Date: 1 January 2021
Status: active
Page Count: 21
scope:

This Standard covers several wall types of high-density polyethylene (HDPE) conduit for use in providing a protective raceway for electrical cables or communication cables buried underground or concrete encased.

Note: Typical applications for HDPE conduit include power distribution, site lighting, signal and control, and supervisory control and data acquisition (SCADA).

Document History

TC 7
January 1, 2021
Solid-Wall Coilable and Straight Electrical Polyethylene Conduit
This Standard covers several wall types of high-density polyethylene (HDPE) conduit for use in providing a protective raceway for electrical cables or communication cables buried underground or...
NEMA TC 7
January 1, 2016
Smooth-Wall Coilable Electrical Polyethylene Conduit
This standard covers several wall types of high-density polyethylene (HDPE) conduit for use in providing a protective raceway for electrical cables or communication cables buried underground or...
NEMA TC 7
January 1, 2013
Smooth-Wall Coilable Electrical Polyethylene Conduit
This standard covers several types of high-density polyethylene (HDPE) conduit for use in providing a protective raceway for electrical cables buried underground. The HDPE conduit types in this...
NEMA TC 7
January 1, 2005
Smooth-Wall Coilable Electrical Polyethylene Conduit
This standard covers the following types of electrical high-density polyethylene (HDPE) conduit. EPEC-A– HDPE conduit designed for applications below ground, either concrete encased applications or...
NEMA TC 7
January 1, 2000
Smooth-Wall Coilable Polyethylene Electrical Plastic Conduit
This standard covers the following types of electrical high-density polyethylene (HDPE) conduit. The designations "40" and "80" refer to Schedule 40 and 80, respectively, of iron pipe dimensions....
TC 7
January 1, 1990
Smooth-Wall Coilable Polyethylene Electrical Plastic Duct
A description is not available for this item.
TC 7
January 1, 1983
SMOOTH-WALL COILABLE POLYETHYLENE ELECTRICAL PLASTIC DUCT
A description is not available for this item.
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References

This document references:
D1238 REV A - Standard Test Method for Melt Flow Rates of Thermoplastics by Extrusion Plastometer
November 15, 2023
This test method covers the determination of the rate of extrusion of molten thermoplastic resins using an extrusion plastometer. The values stated in SI units are to be regarded as standard. This...
This document references:
ASTM D1505 - Standard Test Method for Density of Plastics by the Density-Gradient Technique
Published by ASTM on April 1, 2018
This test method covers the determination of the density of solid plastics. This test method is based on observing the level to which a test specimen sinks in a liquid column exhibiting a density...
This document references:
ASTM D1600 - Standard Terminology for Abbreviated Terms Relating to Plastics
Published by ASTM on January 1, 2018
The purpose of this terminology is to provide uniform contractions of terms relating to plastics. Abbreviated terminology has evolved through widespread common usage. This compilation has been...
This document references:
D1693 - Standard Test Method for Environmental Stress-Cracking of Ethylene Plastics
October 1, 2021
This test method covers the determination of the susceptibility of ethylene plastics, as defined in Terminology D883, to environmental stress-cracking when subjected to the conditions herein...
This document references:
D2122 - Standard Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings
July 1, 2022
This test method covers the determination of diameter, wall thickness, and length dimensions of thermoplastic pipe. Included are procedures for measurement of the inside diameter of pipe intended to...
This document is referenced by:
UFGS 33 71 02 - UNDERGROUND ELECTRICAL DISTRIBUTION
Published by NAVY on February 1, 2015
NOTE: This guide specification covers the requirements for underground electrical work.
This document is referenced by:
NEMA TCB 4 - Guidelines for the Selection and Installation of Smooth-Wall Coilable High-Density Polyethylene (HDPE) Conduit
Published by NEMA on January 1, 2016
This guideline covers recommendations for the selection, handling, and installation of underground High- Density Polyethylene (HDPE) conduit or raceway for power, lighting, signaling, and...
This document is referenced by:
UFC 3-550-01 - EXTERIOR ELECTRICAL POWER DISTRIBUTION
Published by UFC on September 1, 2016
PURPOSE. This UFC provides policy and guidance for design criteria and standards for electrical power and distribution systems. The information provided here must be utilized by electrical engineers...
This document is referenced by:
NEMA FB 2.40 - Installation Guidelines for Expansion and Expansion/Deflection Fittings
Published by NEMA on January 1, 2019
This guideline provides information on the proper application and installation of expansion and expansion/deflection fittings intended for use in hazardous and non-hazardous locations in accordance...
This document is referenced by:
NEMA TCB 2 - Guidelines for the Selection and Installation of Underground Nonmetallic Raceways
Published by NEMA on January 1, 2017
This guideline covers recommendations for the selection, handling and installation of underground single bore rigid nonmetallic conduit (RNC) or raceway for power, lighting, signaling, and...
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