What is the minimum depth that drop cables must be placed according to the National Electrical Safety Code (NESC)?

The minimum depth for placing drop cables, as specified by the National Electrical Safety Code (NESC), is indeed 18 inches. This requirement is significant as it helps to protect the cables from potential damage caused by surface activities, such as digging or landscaping. Additionally, maintaining this depth aids in safety, ensuring the cables are reliably insulated and less susceptible to environmental factors. This standard is intended to minimize risks not only to the infrastructure itself but also to individuals who may be working in or around the area. Adhering to this depth specification ensures that the installation complies with established safety regulations that govern the placement of electrical infrastructure.