![]() We’ve dug a lot of trenches using shovels. Marking out critical lines with flags before you start really saves you a lot of hassle and headaches. In most municipalities, they will check your property within a day or two for free and when you call. You don’t want to hit any buried water lines, electrical lines, sewage drains, or anything else. Call Before You Dig!ĭon’t forget to plan ahead and call before you dig. Installing the wiring or conduit takes a lot of work-but not a lot of detailed instructions. We don’t provide a ton of steps to installing underground electrical wiring. How to Install Underground Electrical Wiring Step By Step If you’re running through the middle of your yard, a PVC or metal conduit might seem the better choice-even if it’s overkill. If you can get away without conduit and the wiring is in an area that isn’t liable to get in the way of future digging, then direct-burial cable might be best. In the end, just understand your options and take the safest or simplest route depending on your situation. That gives you a lot more protection over direct burial cable in the long run. We typically prefer using PVC conduit when running power to a remote location underground. You want to be absolutely certain you’re in compliance before you get started. In addition, while the required burial depths listed above should be generally accurate-check local building codes first. Typically, we use gray 3/4-inch PVC for a single line. If you ever want to use rigid metal conduit or even EMT in place of PVC, you can. How to Install Underground Electrical Wiring: General Notes on Burying Wire The idea here is that the EMT can withstand a shovel or other significant potential cause of shorting the wiring. If you use galvanized EMT (metal electrical conduit) with individual conductors inside, you can bury it just 6-inches deep. ![]() Protect it with PVC where it pops up at the house, garage, or shop.
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