What type of insulation is required for an underground equipment grounding conductor in an agricultural building?

In agricultural buildings, an underground equipment grounding conductor is required to have insulation to protect it from external elements and potential damage. Insulated conductors provide a barrier against moisture, soil chemicals, and other environmental factors that could compromise the conductor's integrity over time. This insulation is critical not only for the durability of the grounding system but also for safety, ensuring effective grounding of electrical equipment and minimizing the risk of electrical shock or fire hazards.

Using insulated conductors in these applications aligns with safety standards and promotes reliable operation of electrical systems in potentially harsh conditions found in agricultural settings. The requirement for insulation thus supports both operational efficiency and compliance with electrical codes that are designed to protect both people and property.