What size wire do i need to run 100 amp service dec 4 2012 that table lists the required size conductor for a 100 amp service as either 4 awg copper or 2 awg aluminum. Section 310 15 of the nec is used to determine wire size including referencing of table 9.
100 Amp Aluminum Wire Size Amp Wire Size Aluminum Aluminum Wire Size
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A 100amp service requires a minimum wire size of 1 awg.
What size aluminum wire for 100 amp service. All circuits must be labeled on the panel cover. What wire size do i use for weather head to breaker box contra costa county california. Residential service wire size copper 100 amp 150 amp 200 amp hot 4 1 2 0 neutral 6 2 1 0 4th wire sub panel mh 8 6 6 aluminum 100 amp 150 amp 200 amp hot 2 2 0 4 0 neutral 4 1 0 2 0 4th wire sub panel mh 6 4 4 service panel general labeling.
Good luck with that. 4 conductors you cant derate a ground for service entrance cables. From the 200 amp feeder panel you will require a 100 amp two pole breaker for each of the two 100 amp services.
The chart youre looking at doesnt account for temp correction service correction factor or voltage loss. I am hooking up new 100 amp service. I will have a 200 amp service outside with.
The wire size for 100 amp panels is recommended at 3 copper conductor. Long cable runs would see an increase in wire size. 40 al is equal to 20 copper.
100a service requires either of the following copper wire 2 4 and 1 6 aluminum wire 2 2 and 1 4 see the code article below. 40 al cable aint cheap. What size wire do you need for a 100 amp service.
If you need a neutral and a ground figure on quadplex cable.
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