On Jun 10, 6:55*am, "John Grabowski" wrote:

snip

*If these are electrical wires the conduit should be at least 18" deep
unless the circuit is GFI protected. *If this is for an electrical service
the conduit should be deeper.

Our power company requires 42" depth and 3" conduit for electrical
service. Best check relevant codes to be sure you are compliant in
other respects.

Joe