I have an existing 150A Service that needs to be relocated due to the new addition on home. Existing panel needs to stay in current location due to having to bring up to current code as far as Arc fault breakers on existing circuits. 6' rule for extending existing circuits. My Question can i upgrade to 200A and sub feed existing 150A panel. Do they make a plug in breaker of 150A which can be installed in a 200A Loadcenter to allow this. I was wanting to use GE panels. The new Service will be relocated to back side of new addition with room to add 4 new circuits for new addition.
Upgrading Residential Service
- Thread starter wmeek
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jumper
Senior Member
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- 3 Hr 2 Min from Winged Horses
1) How far from existing panel to new panel?
2) Does existing panel have a main breaker?
2) Does existing panel have a main breaker?
jumper
Senior Member
- Location
- 3 Hr 2 Min from Winged Horses
Shoot 25' would have been better. 25' ft tap may have been possible.
You could get a 200A panel with feed through lugs and use a 200A feeder to power existing panel.
You could get a 200A panel with feed through lugs and use a 200A feeder to power existing panel.
Yes I thought about 25' tap rule. So if I can get a 200A feed thru panel with 8-16 Spaces, I can run 2-3/0,1-2/0,1-#6 and it would work on 150A Main in sub feed panel. I will have to also replace sub panel as it is now a nema 3r and will have to be relocated to inside the wall and turned around to be in a bedroom.
jumper
Senior Member
- Location
- 3 Hr 2 Min from Winged Horses
That is the easiest cheapest way I can think of. Maybe some else will post a better idea.
jumper
Senior Member
- Location
- 3 Hr 2 Min from Winged Horses
If you are going to replace the panel, you could just get a 200A MLO since you running a 200A feeder. The main breaker is the new panel will protect both panels and the feeder.
I can run 2-# 2/0, 1-# 1/0, 1-#6 for residential
jumper
Senior Member
- Location
- 3 Hr 2 Min from Winged Horses
Not for the sub panel. You said you were going install branch circuits in the main panel so you cannot use the resi chart for sizing the feeder.
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