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What is the size of the copper wire for a 100 amp service?
A #3 copper conductor with an insulation rating of 75 or 90 degrees C is rated at 100 and 105 amps respectively.
Do you need to change the wire size going from 100 amp service to 150 amp service?
Yes, the wire size has to be increased. The existing 100 amp service will now probably have a #3 conductor with an insulation factor of 75 or 90 degrees C which is rated for 100 and 105 amps respectively. Increasing to a 150 amp service will use a #1/0 wire size. If you are thinking of an upgrade, skip the 150 amp service and go to a 200 amp panel. New homes are installing 200 amp 42 circuit panels. The extra cost is only reflected in the materials as the labour costs will be the same regardless whether a 150 amp or a 200 amp panel is installed. The wire size for a 200 amp panel is #3/0. With an insulation factor of 75 or 90 degrees C the rating is 200 or 210 amps respectively.
What gauge wire for service entrance in Wisconsin?
Depends on the size of the service. 100 amp service will require 3 gauge, 150 amp service will require 1/0 gauge, and 200 amp service will require 3/0 gauge.
What size ground wire for 100a service?
A 100 amp residential service requires a size #8 copper wire, it should be insulated in green.
What size aluminum wire for 1200 amp service?
For Service Entrance Cable 600 kcmill (Thousands of circular mils).
