How deep does UF cable have to be buried?

At 24 inches you can bury underground feeder cable, using PVC conduit to 18 in. below ground only where the wire comes up. If you're considering running a power lineunderground through your yard, you have four options. Your choice depends on how much power you want.

Considering this, how deep do utilities need to be buried?

When working around buried facilities, remember that main lines are typically at least 2 feet deep while service lines are only at about 18 inches deep. Existing grades can change and the current depth may be different when it first was installed.

How deep does direct burial wire need to be?

Dig 24 inches. At 24 inches you can bury underground feeder cable, using PVC conduit to 18 in. below ground only where the wire comes up. If you're considering running a power lineunderground through your yard, you have four options.

What size wire do I need for a 200 amp service?

SERVICE ENTRANCE CONDUCTORS SIZE AND RATING
Service or Feeder Rating Copper Conductors Aluminum or Copper-Clad Aluminum
125 Amps #2 AWG #1/0 AWG
150 Amps #1 AWG #2/0 AWG
200 Amps #2/0 AWG #4/0 AWG

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