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Is Thin Wall (TW) conduit acceptable for a Direct Burial (DB) application?

April 26, 2017acceptable application burial conduit DB TW wall

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Is Thin Wall (TW) conduit acceptable for a Direct Burial (DB) application?

1 Answer

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No. Thin Wall conduit does not offer sufficient compression strength to withstand typical Direct Burial (DB) loads without the possibility of ovalizing beyond acceptable levels. This could severely impair cable pulling operations.