NEMA TC 6 & 8:2020
Current
The latest, up-to-date edition.
Polyvinyl Chloride (PVC) Plastic Utilities Duct for Underground Installations
05-20-2020
Defines general requirements, performance requirements, test methods and marking for the following types of PVC plastic utilities duct intended for underground installation for communications and electrical wire and cable: EB-20 and EB-35, designed for burial encased in concrete; DB-60; and DB-100 and DB-120, designed for direct burial without encasement in concrete.
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