depending on the application and the type of raceway it can vary from 6" to 24" The national electrical code (which is widely used in the USA) has a table that explains it. see NFPA, NEC TABLE 300.5
Drip irrigation lines should be buried about 6-12 inches deep to ensure optimal water distribution and efficiency.
Main lines are generally found at least 24 inches deep, while service lines are generally found at least 18 inches deep. However this may change due to regrading of the surface after the original burial of the lines.
A 12-foot post should be buried at least 3 feet deep in the ground for stability and support.
A 12-foot post should be buried at least 3 feet deep in the ground for proper stability and support.
Pets should be buried at least 3 to 4 feet deep to ensure proper decomposition and prevent disturbance of the remains.
Conduit should be buried at a depth of at least 18 inches to ensure proper installation and safety.
The deep *vertical* lines in your fingernails are genetic. If you have *horizontal* ridges in your nails, you should see a doctor.
Salt typically lowers the freezing point of water, but your water line should be buried deep enough that it never freezes regardless of what happens on the surface above it.
Electrical conduit should be buried at a depth of at least 18 inches to ensure safety and compliance with regulations.
Electrical wire should be buried at a depth of at least 18 inches to ensure safety and compliance with regulations.
Electrical conduit should be buried at a depth of at least 18 inches to meet safety standards and regulations.
PVC electrical conduit should be buried at a depth of at least 18 inches to ensure proper installation and safety.