NEMA BI 50068:2017(R2025)
Current
The latest, up-to-date edition.
Guidelines for the Selection and Installation of Underground Nonmetallic Raceways
Hardcopy , PDF
English
08-10-2025
Covers recommendations for shipping, handling, storage, installation and joining of underground single-bore nonmetallic duct for power, lighting, signaling and communications applications.
| DocumentType |
Standard
|
| Pages |
35
|
| PublisherName |
National Electrical Manufacturers Association
|
| Status |
Current
|
| Supersedes |
| ASTM F 2160 : 2022 | Standard Specification for Solid Wall High Density Polyethylene (HDPE) Conduit Based on Controlled Outside Diameter (OD) |
| ASTM D 2564 : 2020 | Standard Specification for Solvent Cements for Poly(Vinyl Chloride) (PVC) Plastic Piping Systems |
| NEMA BI 50071:2009(S2025) | Expansion Epoxy-Based Fittings for RTRC Rigid Nonmetallic Conduit |
| ASTM D 2412 : 2021 : REDLINE | Standard Test Method for Determination of External Loading Characteristics of Plastic Pipe by Parallel-Plate Loading |
| ASTM D 2657 : 2007 : R2015 | Standard Practice for Heat Fusion Joining of Polyolefin Pipe and Fittings |
| ASTM F 402 : 2018 | Standard Practice for Safe Handling of Solvent Cements, Primers, and Cleaners Used for Joining Thermoplastic Pipe and Fittings |
| ASTM D 2855 : 2015 | Standard Practice for the Two-Step (Primer and Solvent Cement) Method of Joining Poly (Vinyl Chloride) (PVC) or Chlorinated Poly (Vinyl Chloride) (CPVC) Pipe and Piping Components with Tapered Sockets |
| NEMA FB 2.40:2019 | Installation Guidelines for Expansion and Expansion/Deflection Fittings |
| NEMA BI 50057:2014(R2019, S2025) | Guidelines for Solvent-Cementing Joints for PVC Rigid Nonmetallic Conduit, Duct, and Fittings |
| NEMA BI 50056:2014 (R2019,S2025) | Guidelines for Conduit-in-Casing Construction |
| ASTM F 656 : 2021 | Standard Specification for Primers for Use in Solvent Cement Joints of Poly(Vinyl Chloride) (PVC) Plastic Pipe and Fittings |
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