I am installing a outside gfci outlet on its own 20 amp,12/2 .I did have a large wire on a now not connected circuit,to go to shed,an would like to cap that off on both ends where its available later.it is 3 wire #6.if I use a large enough outlet box can both circuits,large not connected on either end,be in the box together.and if I can what size box ,and size of pipe going thru brick?
Any info is appreciated.
Any info is appreciated.