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 specification can be installed direct buried or concrete encased. They are:
- EPEC-17 - HDPE This type represents the nominal dimensions for HDPE conduit as specified by ASTM D 3035, SDR 17 and UL 651B or UL1990 for CIC.
- EPEC-13.5 - HDPE This type represents the nominal dimensions for HDPE conduit as specified by ASTM F 2160, SDR 13.5 and UL 651B or UL 1990 for CIC.
- EPEC-40 - HDPE This type represents the nominal dimensions for HDPE conduit as specified by ASTM F 2160, Schedule 40 and UL 651B or UL 1990 for CIC.
- EPEC-80 - HDPE This type represents the nominal dimensions for HDPE conduit as specified by ASTM F 2160, Schedule 80 and UL 651B or UL 1990 for CIC.
- EPEC-11-HDPE This type represents the nominal dimensions for HDPE conduit as specified by ASTM F 2160, SDR 11 and is not currently covered by UL.
NEMA TC 7-2013 History
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