NEMA TC 6 : 1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PVC PLASTIC UTILITIES DUCT FOR UNDERGROUND INSTALLATIONS
21-04-1999
12-01-2013
Foreword
Scope
1 Referenced standards
2 General requirements
Definitions and abbreviations
Materials
Nominal sizes
Dimensions
Belled ends
Workmanship
Inspection
3 Requirements and test methods
Conditioning test specimens and test conditions
Joint tightness (referee test only)
Extrusion
Hydrocarbon resistance
Impact resistance
Duct stiffness
Markings
Appendices
A Socket bottom and socket entrance go/no-go gage for
belled end dimensions shown in Table 2.2
B Installation practices
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