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TECHNICAL SPECIFICATION

 

 

uPVC Electrical Conduit & Tubing and Utilities Duct

These Standards specify unplasticised upvc polyvinyl chloride utilities duct for underground installation for telecommunications and electrical wire & cable. They also specify electrical plastic conduit and tubing for above and underground use.

Conduit Tubing NEMA TC-2
Nominal
Size
inch		 Outside Diameter
(mm)		 Wall Thickenss (mm)
EPT EPC 40 EPC 80
Min Max Min Max Min Max Min Max
1/2 21.24 21.44 1.52 2.03 2.77 3.28 3.73 4.24
3/4 26.57 26.77 1.52 2.03 2.87 3.38 3.91 4.42
1 33.27 33.53 1.52 2.03 3.38 3.89 4.55 5.08
1-1/4 42.03 42.29 1.78 2.29 3.56 4.06 4.85 5.43
1-1/2 48.11 48.41 2.03 2.54 3.68 4.19 5.08 5.69
2 60.17 60.47 2.54 3.05 3.91 4.42 5.54 6.20
2-1/2 72.84 73.20 2.79 3.30 5.16 5.77 7.01 7.85
3 88.70 89.10 3.18 3.68 5.49 6.15 7.62 8.53
4 114.07 114.53 3.81 4.32 6.02 6.73 8.56 9.58
5 141.05 141.55 - - 6.55 7.34 9.52 10.67
6 168.00 168.56 - - 7.11 7.98 10.97 12.29

 

PVC Utilities Duct, NEMA TC-6 & NEMA TC-8
Nominal
Size
inch		 Outside Diameter
(mm)		 Minimum Wall Thickness (mm)
TC - 6 TC - 8
Minimum Maximum EB DB EB DB
1 33.27 33.53 - - - 1.52
1-1/2 48.11 48.41 - - - 1.52
2 60.17 60.47 1.52 1.52 1.52 1.96
3 88.70 89.10 1.55 2.34 1.93 3.00
4 114.07 114.53 2.08 3.07 2.54 3.91
5 141.05 141.55 2.62 3.86 3.20 4.85
6 168.00 168.56 3.18 4.62 3.86 5.77

Manufactured to     : NEMA TC-2, NEMA TC-6,  and NEMA TC-8
Standard Length    : 5.8 & 6 meters
Colour                     : Grey  
Socket Type           :  Solvent Weld

Note:
1) EPT (Electrical Plastic Tubing)                    - To be encased in concrete.
    EPC-40 ( Electrical Plastic Conduit)           - For direct burial underground.
    EB (Encased Burial)                                     - To be encased in concrete.
    DB (Direct Burial)                                          - For direct burial underground.
2) Nominal Sizes from 1/2 in. to 1-1/2 in.        - Plain end.
    Nominal Sizes from 2 in.                               - One end with solvent weld socket.

3) These sizes are non-stock items. Can be produced on special request only.

 

 

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