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new detached garage, wire size question

slowthump

Active member
Joined
Jul 12, 2011
Messages
43
Location
Minnesota
I am building a 30 x 40 detached garage. I will be trenching in a feeder from my house panel to a sub-panel in the new garage which is a one way distance of 280 feet. I will have a 16 x 30 heated section in this garage and this will be my workshop - table saw, air comp, dust collection, welder, etc. My local Menards has 2-2-2-4 AL MHF for $1.82/ft and 2-2-2-4 SE-R for $1.49/ft. I plan to place in conduit. I have already checked on a separate service but that would cost me $500 up front and, more importantly, $38/month. My questions are:

With the 280 foot distance, does the 2-2-2-4 AL wire support 60 amps per code and real world use?

Can both wires be put in conduit and comply with NEC?

Anybody have any better prices on big wire in northern Minnesota?

Thank you in advance.
 
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mrb

Well-known member
Joined
Dec 31, 2008
Messages
3,734
SER cant go in the ground pipe or not. 285ft you have 3.9% voltage drop with a load of 60 amps on #2 AL. I would call it ok unless you plan on a good size plasma cutter and have a big air compressor.
 
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