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He stated he is installing a 200 amp service. A 200 amp underground service calls for 4/0 aluminum wire.

That 3000 sqft home would use a 400 amps service fed by 350mcm wire.

copper vs aluminum is no contest, it would take 2/0 copper for a 200 amp service, and you don't even want to price that stuff.
You are absolutely correct! Never post before first cup of coffee!!!! LOL

Wow.. 200 amps for a trailer seems big... what do you think?
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