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Buried or conduit #2/0 aluminum will exceed the NEC recommended 3% or less and provide a 2.72% drop

Increasing to 3/0 provides a 2.26% drop

Make sure you resize your ground.

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โˆ™ 2012-03-31 01:50:01
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Q: What size aluminum wire is needed for 100 amp sub panel 200 feet away from main panel?
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Related questions

Can you use aluminum service cable to feed a sub panel?

Yes, as long as it has the necessary ampacity for the load and is properly fastened at each terminal. For example, we have a 4/0 aluminum cable feeding our 200 A subpanel 120 feet away.


What is distance needed around electrical panel?

Three feet of free and clear space in front of panel.


What size wire is needed from your meter to your breaker box which is 120 feet away for 200 amp service?

2/0 (2 ought) Copper or 4/0 Aluminum.


What size aluminum wire needed for 240 volt 100 amp service 400 feet away direct buried and single phase?

A 300 MCM aluminum conductor will limit the voltage drop to3% or less when supplying 100 amps for 400 feet on a 240 volt system.


What size aluminum wire needed 100 amp service 400 feet away?

There is not enough information to answer this question. What is also needed is voltage, single or three phase and whether the installation is direct bury, overhead, or in a conduit system.


What size of aluminum wire is needed for 200 amps at 100 feet?

Please use the Discussion Area to explain the significance of the "100 feet".


What size wire is needed to feed a 125 amp sub panel from a 200 amp panel less than 200 wire feet away?

A #1 copper wire with an insulation rating of 90 degrees C is rated at 140 amps.


What size wire do you need from a 200 amp panel to a 150 amp sub panel about 80 feet away?

1/0 copper


What size wire is needed to feed 100amp 120 volt panel 300 feet away?

A 250 MCM copper conductor will limit the voltage drop to 3% or less when supplying 100 amps for 300 feet on a 120 volt system.


What size service cable for 100 amp main panel 100 feet away?

20Sqmm


What gauge wire to use for direct burial for a garage that is 400 feet from your house?

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.


What size wire is needed for 100 amp sub panel that is 250 feet away from main panel?

A 1/0 MCM copper conductor will limit the voltage drop to 3% or less when supplying 100 amps for 250 feet on a 240/120 volt system. This calculation is for a full 100 amps at the panel. If exact amperage is known the conductor size can be reduced to match the known amperage.

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