What is the minimum depth required for installed cable in a trench?

The minimum depth required for installed cable in a trench is 24 inches. This requirement is established to ensure safety and protection of the cables from potential damage caused by surface activities, such as agricultural work, foot traffic, or vehicular movement. The deeper installation reduces the risk of accidental cuts, punctures, or damage to the electrical conductors and insulation, which could lead to electrical hazards. Additionally, following this standard helps maintain the integrity of the electrical system and ensures compliance with local codes and regulations, which often align with national safety standards for underground installations.

It's important for anyone working with or around underground electrical installations to adhere to these depth guidelines to promote safety and reduce the likelihood of future issues.