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.
Choose Jackets that Resist Moisture. Water is ubiquitous in buried conduit. Cable jackets can help protect insulation. Putting cable in buried conduit keeps the cable out of sight, and it's protected mechanically. But there is also a downside to underground conduit: water.hoose Jackets that Resist Moisture. Water is ubiquitous in buried conduit. Cable jackets can help protect insulation. Putting cable in buried conduit keeps the cable out of sight, and it's protected mechanically. But there is also a downside to underground conduit: water.