Polyvinyl Chloride (PVC) Plastic Utilities for Underground Installations
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.
Published Date: Nov.12.2013
Document ID: 100070
NEMA TC 6 & 8-2013