What is the minimum distance in feet that a down conductor should be protected above grade?

The correct minimum distance for a down conductor to be protected above grade is six feet. This distance is significant for several reasons. First, it helps to ensure safety by reducing the risk of accidental contact with the down conductor. In areas where the down conductor is exposed, proper clearance is crucial to prevent electrical shock or injury to individuals.

Additionally, maintaining this height helps to minimize potential damage from environmental factors, such as wind or debris, which could otherwise lead to physical stress on the conductor or its attachments. By adhering to this six-foot standard, electrical installations comply with established codes and best practices, ensuring both functionality and safety for the public and any maintenance personnel working nearby.

This regulation is not arbitrary; it is based on established safety guidelines that consider both human interaction and environmental conditions. Therefore, ensuring that a down conductor is at least six feet above grade is a fundamental aspect of electrical installation practices that promote safety and reliability.