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A #3 copper conductor with an insulation rating of 75 or 90 degrees C is rated at 100 and 105 amps respectively.

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12y ago

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For a 100 amp service in copper, a wire size of 3/0 AWG should be used.


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What size feeder wire for 100 amps?

For a 100 amp service, a common feeder wire size would be 2 AWG (American Wire Gauge) copper or 1/0 AWG aluminum. These sizes are appropriate for handling the current capacity needed for a 100 amp electrical service. It is important to consult with a licensed electrician or local building code requirements to ensure the proper wire size for your specific installation.


What size wire do I need for 100-amp service?

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What is the required wire size wire for 100 amp service?

A #3 copper wire with an insulation factor of 75 and 90 degrees C is rated at 100 and 105 amps respectively.


What type of wire material should be used for a 100 amp service, aluminum or copper?

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What is the recommended wire size for a 100 amp service running 200 feet?

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What is the recommended wire size for a 100 amp service running 150 feet?

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