How Deep To Bury Electrical Conduit To Shed. How to do outdoor electrical work. Owing to the durability of rigid metal conduit, you can bury electrical wire in this conduit at a shallower depth.
These wires are buried in a trench 24 inches deep when installed, measured from the top of the conduit or service wire to the top of the trench. Under your driveway, the conduits must be below a depth of 18 inches, and under a public road or. Cable in any conduit, including pvc, that is buried at this depth is not in danger of being severed or disturbed by normal digging.