There'snothing new in new Mexico.
Putting RMC down 18 inches would likely be fine, I have found direct burial cable down 4 inches and it was supposedly inspected by the county inspector.
If I remember correctly there is no national electric code minimum for buried conduit spacing. Local codes may be different.
I would recommend they not touch each other, only to prevent rubbing and corrosion.
Through the wall really should have an access box or junction box on the inside or outside, do both inside and outside if possible.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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