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mtaviator 01-11-2008 02:28 PM

Wire options for a 70 amp subpanel
I am going to be installing a 70 amp subpanel for my new attached garage. Could you guys tell me what options I would have as far as wire to feed it with? I would like to avoid having to run conduit if possible. It will be around a 40 foot run to the sub. Can I use a 4/3 romex? Or is there a better option.

Thanks fellas

HouseHelper 01-11-2008 02:30 PM

Use 6/3 Romex protected by a 60A breaker. You'll never miss the other 10A.

mtaviator 01-11-2008 02:52 PM

Thats not a bad idea.

On that subject-

I was thinking of installing a couple 220 outlets for 2 reasons.

1- to run my table saw off at roughly 8 amps of 220 power.

2- to power a mig welder down the road (that I don't own yet).

That leads me to my next Q.

Any recommendations at to what style of plug and amp rating to use for a modest sized mig welder, I haven't looked at the plugs on any. 20 amp? 30 amp?

Stubbie 01-11-2008 03:43 PM

Have you purchased that load center yet, if so how many spaces for full size breakers does it have?

mtaviator 01-11-2008 06:36 PM

No haven't bought anything yet.

chris75 01-11-2008 07:46 PM

I personally would just buy 2/3 AL ser, it's cheap enough and will give you 90 amps, which will be good for future tools you don't own yet...:thumbup: As far as the subpanel, I would go with a 24 circuit panel.

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