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A 3/0 aluminum conductor will limit the voltage drop to 3% or less when supplying 150 amps for 150 feet on a 240 volt system. This size will allow the conductor to be loaded to 120 amps. 150 x 80% = 120

Conductors are only allowed to be loaded to 80% or their rated capacity. If you need the full 150 amps then you would need to use a wire with a rating of 190 amps. 190 x 80% = 152 amps

A 4/0 aluminum conductor will limit the voltage drop to 3% or less when supplying 190 amps for 150 feet on a 240 volt system.

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12y ago
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11y ago

you would use #2 aluminum urd wire for a 100 amp service

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10y ago

Service entrance wire size required is # 2. That assumes the wire is a short run to the service panel.

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8y ago

A ground wire for a service distribution has to be copper. A #6 copper conductor can be used up to a 200 amp service.

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Q: What size aluminum wire for 100 amps undergroundservice 60 feet from meter?
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What size aluminum wire needed for 30 amp at 240 volt for 500 feet underground?

A 1/0 aluminum conductor will limit the voltage drop to 3% or less when supplying 30 amps for 500 feet on a 240 volt system.


What gauge wire for aluminum 240 volts 20 amp 200ft?

A #6 aluminum conductor will limit the voltage drop to 3% or less when supplying 20 amps for 200 feet on a 240 volt system.


What size aluminum wire to feed 125 Amps 220 volt a distance of 175' and what size ground?

A 3/0 aluminum conductor will limit the voltage drop to3% or less when supplying 125 amps for 175 feet on a 220 volt system. If the 125 amp load is a sub distribution panel that is not going to be fully loaded to 125 amps then using the exact connected load, which might be smaller than 125 amps will effect the wire sizing. The grounding conductor for that size distribution panel is #6 bare copper.


What size aluminum wire needed for 60 amp at 240 volt for 330 feet underground?

A 1/0 AWG aluminium conductor will limit the voltage drop to 3% or less when supplying 60 amps for 330 feet on a 240 volt system. The cable will be rated as ACWU 90. ACWU 90 cables are primarily intended for exposed and concealed wiring in dry or wet locations and where exposed to the weather. For use in ventilated, non-ventilated, and ladder type cable trays in wet and dry locations; direct earth burial; service entrance above or below ground.


How many amps will 10-2 wire carry at 40 feett?

30 amps is how much a 10-2 wire will carry at 110 feet. 10 gauge wire is only good for thirty amps per the national electrical code. Using 80% of the breakers usage you will actually be getting only 24 amps.