Conduit recommendation for spa

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MJ32V

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Hello all. For rigid non-metalic conduit, what is the conduit size recommendation to run the following 7 conductors in the same conduit?
- 6 AWG: 3 conductors, 8 AWG: 1 conductor, 12 AWG: 3 conductors.
All conductors are THWN. Approximately 90' to 100' run total. Larger conductors to provide power to spa (220v/50A). 12 AWG conductors to provide power to shed (misc power tools w/ low duty cycle pwr requirments).
Also... what is the min. burial depth and any other requirements for burial in lawn? (ie; buried in stone dust, etc?)
Thanks,
MJ
 

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The NEC Guidelines will spell everything out for you in sections 200 to 250, & 680.


They don't actually spell it out....or maybe I missed it. Didn't there used to be a table where you could cross the wire size with the pipe size?

All I could find were the values for the areas of the pipe and wire. I remember laughing at the 10, #12's in a 1/2" emt column.



You will have plenty of room in 1" unless you do some crazy back to back 90's



18" of cover
 
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Alectrician

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The conduit fill calculator was pretty slick. It took 20 seconds :)

It took me more than 20 seconds to find my high powered reading glasses and find "conduit fill" in the NEC index.
 
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