NEMA BI 50056:2014 (R2019,S2025)
Current
The latest, up-to-date edition.
Guidelines for Conduit-in-Casing Construction
Hardcopy , PDF
English
04-05-2025
Presents conduit-in-casing construction as a technically sound solution to the problem of laying power/communication cables under a surface obstruction (highway, runway, rail bed, river, etc.) without disrupting traffic roadbed, rail bed or riverbed.
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
National Electrical Manufacturers Association
|
| Status |
Current
|
| NEMA BI 50068:2017(R2025) | Guidelines for the Selection and Installation of Underground Nonmetallic Raceways |
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