NEMA TC 9
Fittings for PVC Plastic Utilities Duct for Underground Installation
| Organization: | NEMA |
| Publication Date: | 1 January 1999 |
| Status: | inactive |
| Page Count: | 18 |
scope:
This standard covers the following types of fittings for PVC plastic utilities duct used for the underground installation of communication
and electrical wire and cable:
a. Type EB - Designed for encased burial in concrete when installed
in trenches underground.
b. Type DB - Designed for direct burial in trenches underground without a requirement for encasement in concrete.
Type DB may also be encased in concrete.
NOTE - The values stated in U.S. customary units are to be regarded as
the standard.
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