Guide

What Type Of Conduit Is Approved For Direct Burial?

Rigid metal conduit, PVC Schedule 80, reinforced thermoset fiberglass (RTRC) and high‑density polyethylene (HDPE) raceways carry UL listings and National Electrical Code approval for direct burial when installed at the required depth. Why Choosing The Right Underground Raceway Matters The dirt around a trench never forgets. Moisture, shifting soil, rocks, stray shovels and corrosive minerals attack cable

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