200 amp Subpanel Feeder Wire Type/Size

[NOOB]

Hello,
I'm trying to determine the best way to wire my 200 amp Subpanel.
Spec:
Siemens 320/400 meter/main with (2) 200 amp breakers
200 amp 40 curcuit Square D Homeline Subpanel for house
100 amp Subpanel for garage and hot tub to be selected and installed later

Meter/main location end of ranch house with 2.5 foot dirt crawl space.

OPTION (1):
Out of the back of the meter/main into exterior wall up to attic (5 ft) through attic to interior wall where 200 amp supanel is flush mounted (30ft) down inside of interior wall to sub panel (4 ft)
All walls are 2x4.

OPTION (2):
Out of bottom of meter/main to ground then under the block foundation into crawlspace to bottom of interior subpanel wall. Could go out of the back of the meter main into exterior wall then down into crawl space through bottom of exterior wall.

I understand through the attic the feeder wire needs to be above the insulation and protected and in the crawl space it may need to be protected from moisture and mice. All terminals are 75 degree.

Any help appreciated.

 

[Dennis Alwon]

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