NEMA TC 7:2013
NEMA TC 7:2013 Smooth-Wall Coilable Electrical Polyethylene Conduit Describes several types of high-density polyethylene (HDPE) conduit for use in providing a protective raceway for electrical cables buried underground.
Table of Contents
FOREWORDSECTION1-GENERAL
1.1Scope
1.2ReferencedStandards
SECTION2-DEFINITIONSANDABBREVIATIONS
2.1Definitions
2.2Abbreviations
SECTION3-GENERALREQUIREMENTS
3.1Materials
3.2DimensionsandLengths
3.3Workmanship
3.4Inspections
3.5InternalRibs
SECTION4-PERFORMANCEREQUIREMENTS
4.1QualityControlTests
SECTION5-TESTMETHODS
5.1Conditioning,TestConditions,andSampling
5.2Dimensions
5.3CompressionandRecovery
SECTION6-MARKINGS
6.1MarkingRequirements
6.2OptionalMarkings
ANNEXA-RECOMMENDEDMINIMUMDRUMDIAMETERS