Program Requirements. Some essential, basic information about your program can be found in the Graduate Programs in the Graduate Catalog, including the program description, curriculum, and contact information. Doctoral Students. For your program's handbook, go to Graduate Handbooks and select your graduate program.
The National Electric Code requires that wire placed in Schedule 80 PVC must be buried at least 18 inches below ground. If the wire is being buried without PVC, it must be at least 24 inches underground.
A conduit is a metal pipe that houses electrical wires. When wires are tightly wound through a conduit, a grounding wire isn't necessary -- as the conduit itself acts as a ground. (It's important to use conduit when running wires on the outside of a wall.) Conduit benders will bend the metal of a conduit, or a 90 degree pulling 'L' can be used (image 1).