I have a 200 amp main electrical panel in my garage (on an exterior wall). I want to install a subpanel in the basement to feed several circuits I will need as I finish off the basement into several living areas.
It looks like the most viable route to running a supply feeder is out the exterior wall behind the main circuit panel, down the existing conduit, then buried along the foundation and finally re-entering the house near the subpanel location in the basement.
Is this a logical idea? What type and size of wire would I need for a roughly 50' run buried below grade? Any suggestions or ideas would be appreciated.
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