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Depends on the size of the sub-panel in that garage. If you are installing a 60 amp sub-panel 400 feet away from the main service panel then use AWG # 4.

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Q: What gauge wire to use for direct burial for a garage that is 400 feet from your house?
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Can you tap meter and feed panel in detached garage?

No. Any connections to the detached garage have to be after the main disconnect of your house panel. You have two options here. You can replace meter with a meter disconnect combo and have the main feed your house and add a breaker to feed the garage or You could install a 400 ap service and place two disconnects at the meter. one for the house and one for the garage. unless you are going to have a serious electrial load in the garage you sould just feed off the panel in the house for cost effectiveness.


Do you need a main disconnect on the feeder wires running to a detached garage running from the box in the house?

Yes you do. The detached garage will either be fed with a single circuit or a sub panel. The wire feeding the garage will need to be protected and that is the purpose of the breaker (disconnect). The breaker size will be determined by the size of the wire that is used on this circuit.


Is your house alternating or direct current?

Alternating current. Direct current is used in batteries.


Can you run electric from the street directly to your garage bypassing your house?

You can install a distribution service in an attached garage. To discuss your situation see discuss question button below.


What size underground wire do you need from house to building 120 feet away?

The most significant part of the equation is, what will be the maximum current draw? If it's to be a small current draw, for example 40 Amp service (40 amp breaker), you'll use 8AWG wire that's rated for direct burial. Higher current rating will require larger wire. As always, if you have any questions about the proper wiring or how to connect electrical service, contact a local electrical contractor. Understand that improper wiring can result in fire and/or death.