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.
When working with electric cables, it is essential for consumers to have excellent quality conduit and raceway systems for optimum protection. An electrical conduit is a tube used to secure and place electric wiring in a structure. An electric conduit may be made of fired clay, metal, fiber or plastic.