Wire size required from 200 amp main to 100 amp sub panel

Rick Kelly Posts: 1, Reputation: 1

New Member

Jul 26, 2012, 04:37 PM

Wire size required from 200 amp main to 100 amp sub panel

The sub panel is located @75 feet from main panel.

tkrussell Posts: 9,659, Reputation: 725

Uber Member

Jul 27, 2012, 02:37 AM

Check with local inspector. Should use #1 aluminum, assuming a SER cable. Local inspector may allow #2 aluminum, which is very common.

Add your answer here.

Check out some similar questions!

Wire size for feeder for 100 amp sub panel 100 ft from main. [ 0 Answers ]

I majored in sociology, so please bear with me... I am building a 400 sq ft out building with 2 1500 watt heaters, a small kitchen including a small range, small dishwasher and fan hood. There will also be a 30 gal hot water tank, and a .1/2 hp sewage ejection pump. My calculations so far...

I have a 100 amp main panel and I want to feed a 200 amp main lug. [ 1 Answers ]

The panel I have now is a 100amp main breaker and I still want the ability to keep some of the circuits that it currently has in it. I am putting the 200amp main lug in my house and was wondering if it is safe to put a 100amp break in my main panel to feed the 200 amp main lug panel and if so...

100 amp main, 100 amp service wire, 200 amp sub panel? [ 2 Answers ]

I am moving my sub panel and upgrading to a 200 amp service, but in phases. The first phase is to move the panel due to some remodeling. I want to put a 200 amp panel in the laundry room with a 200 amp breaker. I have 100 amp feeder wire going to it (AL 2/2/2). Outside I have the meter can and...

Wire size for a 100 amp sub panel 200 feet away [ 8 Answers ]

I have a 200 amp main panel in my house and I just built a garage and am planning on putting a 100 amp sub panel in the garage. The garage is about 200 feet from my house and it has a 2 inch pvc stubbed out underground. I am wondering what size aluminum I would need to feed it, and if I can use a...

200 amp main panel: 2 100 amp subpanels? [ 1 Answers ]

I was asked to by a homeowner to help with a wiring project. She has 1 200 amp main panel and 1 100 amp subpanel. Both are full yet she needs more circuits for a bed n' breakfast. Can another 100 amp subpanel be installed?