[SFM]

I currently have a 200amp main breaker panel located in my garage.
From the garage to the house is a buried line that feeds a 60amp fuse subpanel.
I am going to upgrade the subpanel in my house and need a little advice.

First of all What size panel should I put in?
100 - 125 - 150?
The 60 that is currently in the house does seem to supply just enough power but I need to add circuits and would like to have more power available for the future.

I know I need #4 copper wire with the 100 and #1 copper with the 150 but what do I need for a 125 panel?

The garage to the house is about 70 feet of wire. Do I need to move my wire size up to accommodate this or is the #4 for the 100panel sufficient?

Last question is what size conduit do I need for #1 or #4 wire?

Thanks in advance for any advice.

[tkrussell]

I would think 100 amp is sufficient, but without knowing what you plan to use , hard to say.

125 amp feeder will need 3 #2 THWN Cu and 1-#6 THWN green in 1-1/4" PVC Sch 40.

For the 100 amp you can use 1" PVC Sch 40 with 3-#4 THWN and 1-#8 THWN Green for the equipment ground

150 amp will need 3-#1THWN and 1-# 6 THWN Green for the equipment ground in1-1/2" PVC Sch 40 conduit.

[SFM]

Thanks for the quick answer.
I have a follow up questions to your response below.

What is the best way to purchase the wire?
Should I purchase 3 separate runs of #4 THWN and one of #8 TWN green.
Or
Should I purchase 4/3 SEU and one of #8 green?

My main concern is code wise do you have to have your wires be color coded?
Red and Black hots, white nuteral and ground equipment ground?

[SFM]

Anyone know the answer to my question above about purchasing wire and the code from cable colors?

Thanks in advance for any replys.
SFM

[tkrussell]

Use the separate runs of THWN, you can get each in the colors or use colored tape.

Adding a separate ground to 3 wire SE cable is not allowed.