Main box feeding 220v and 110v brearker box off a 50am breaker?

uvamosk

I didn't look up any info on the conduit size. So that was my honest mistake. I'll get 1.5".
I'll take back what I have now. I understand the reasoning behind having 1.5 and thanks for the explanation.

I didn't know I should try to keep it under 40% fill rate on the conduit.