Answer :

Final answer:

The conduit type approved for direct burial is HDPE, which is suitable due to its resistance to moisture and flexibility. Other options like EMT, IMC, and RMC are not recommended for direct burial applications. HDPE is designed to perform well in underground conditions.


Explanation:

Types of Conduit Approved for Direct Burial

When selecting conduits for electrical installations, it is important to know which types are approved for direct burial. The options provided include:

  • EMT (Electrical Metallic Tubing)
  • HDPE (High-Density Polyethylene)
  • IMC (Intermediate Metallic Conduit)
  • RMC (Rigid Metal Conduit)

Among these, HDPE is specifically designed to be resistant to moisture and corrosive materials, making it the preferred choice for direct burial applications. It is flexible, lightweight, and can withstand the underground environment effectively. Other types like EMT or IMC are not typically used for direct burial as they require protection against moisture and are more suited for above-ground installations.


Learn more about Conduit Types here:

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Thank you for reading the article Which type of conduit is approved for direct burial A EMT B HDPE C IMC D RMC. We hope the information provided is useful and helps you understand this topic better. Feel free to explore more helpful content on our website!

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