How deep should conduit be buried underground during the winter Looking to run an extension cable underground for the winter so my family can warm their chicken coop?

Answer:
In Wisconsin we require 18 inches of depth this is a standard here. you can always go deeper, always remember to call diggers hot line so you don't hit any other utility under ground
First answer by Richnerd. Last edit by Richnerd. Contributor trust: 0 [recommend contributor recommended]. Question popularity: 1 [recommend question].