Underground Transmission Products

Underground Devices designs and manufactures both duct spacers and bore spacers for underground transmission installations. With a comprehensive line of duct spacers available, and a full line engineering department at your service to design bore spacers, Underground Devices is ready and able to help you with your next underground transmission project.

For additional information on the products and services that Underground Devices can provide for your next underground transmission project, please feel free to request more information, or call (800) 800-2118.

Wunpeece Duct Spacers for 8" Conduit

Underground Devices manufactures 8" Duct Spacers that are ideally suited for underground power transmission installations. These duct spacers are manufactured in several different size categories. The separations available are listed in the table below:

Duct-to-Duct Separation Center-to-Center Separation Duct Spacer Series
Horizontal Vertical
2" 10.625" 10.625" 8W20
3.375" 12" 12" 8W34
6.375" 15" 15" 8W64
9.375" 18" 18" 8W94

8W20-2 Installation Detail

8W20-2 Spacer

Wunpeece Duct Spacer to accomodate 2 ea. 8" Conduits with 2" Duct-to-Duct Separation

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8W20-3 Installation Detail

8W20-3 Spacer

Wunpeece Duct Spacer to accomodate 3 ea. 8" Conduits with 2" Duct-to-Duct Separation

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2882W34-2 Installation Detail

2882W34-2 Spacer

Wunpeece Duct Spacer to accommodate 2 ea. 8" Conduits with 3.375" Duct-to-Duct Separation (12" Center-to-Center Separation)

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2882W34-3 Installation Detail

28482W34-3 Spacer

Wunpeece Duct Spacer to accommodate up to 2 ea. 8" & 1 ea. 4" Conduits with 3.375" Duct-to-Duct Separation

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284882W34-4 Installation Detail

284882W34-4 Spacer

Wunpeece Duct Spacer to accommodate up to 3 ea. 8" & 1 ea. 4" Conduits with 3.375" Duct-to-Duct Separation

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2882W6434-2 Installation Detail

2882W6434-2 Spacer

Wunpeece Duct Spacer to accommodate 2 ea. 8" Conduits with 6.375" Horizontal Duct-to-Duct Separation (15" Center-to-Center Separation) and 3.375" Vertical Duct-to-Duct Separation (12" Center-to-Center Separation)

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288282W6434-3 Installation Detail

288282W6434-3 Spacer

Wunpeece Duct Spacer to accommodate 3 ea. 8" Conduits with 6.375" Horizontal Duct-to-Duct Separation (15" Center-to-Center Separation) and 3.375" Vertical Duct-to-Duct Separation (12" Center-to-Center Separation)

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2882W6434-2 and 2882W64-2i Installation Detail

2882W6434-2 and 2882W64-2i Spacers

Wunpeece Duct Spacer to accommodate 2 ea. 8" Conduits with 6.375" Duct-to-Duct Separation (15" Center-to-Center Separation)

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288282W6434-3 and 288282W64-3i Installation Detail

288282W6434-3 and 288282W64-3i Spacers

Wunpeece Duct Spacer to accommodate 2 ea. 8" Conduits with 6.375" Duct-to-Duct Separation (15" Center-to-Center Separation)

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2882W9434-2, 8W94-2i and 848W94-2i Installation Detail

2882W9434-2, 8W94-2i and 848W94-2i Spacers

Wunpeece Duct Spacer to accommodate 2 ea. 8" Conduits with 9.375" Duct-to-Duct Separation (18" Center-to-Center Separation)

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282882W9434-3, 8W94-3i and 84848W94-3i Detail

282882W9434-3, 8W94-3i and 84848W94-3i Spacers

Wunpeece Duct Spacer to accommodate 3 ea. 8" Conduits with 9.375" Duct-to-Duct Separation (18" Center-to-Center Separation)

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28288282W9434-4, 8W94-4i and 848848W94-4i Detail

28288282W9434-4, 8W94-4i and 848848W94-4i Spacers

Wunpeece Duct Spacer to accommodate 4 ea. 8" Conduits with 9.375" Duct-to-Duct Separation (18" Center-to-Center Separation)

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8W71-2 Installation Detail

8W71-2 Spacer

Wunpeece Duct Spacer Station to accommodate 4 ea. 8" & 3 ea. 3" Conduits with 15.75" Center-toCenter Separation

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Contact one of our sales representatives today
to inquire about a quote from Underground Devices
or call us today at 800-800-2118