Linked Questions

1 vote
1 answer
84k views

What size wire for 100 amp sub-panel from a 200amp main panel? [duplicate]

I want to add a 100 amp sub-panel from a 200 amp main in an attached garage. It will be about 100 feet from sub to main. What gauge wire should I use? The sub panel is to hook up a 7.5 horse air ...
user47599's user avatar
1 vote
1 answer
860 views

What is the minimum gauge wire required to carry 100 amp service from the meter to the panel? [duplicate]

What size wire is required to carry 100 amp service from the meter to the panel?
user66699's user avatar
0 votes
0 answers
1k views

What size wire do I need for a 100A subpanel? [duplicate]

I'm installing 200 amp service in a shop, and I am going to feed my house with a 100 amp sub panel. I want to use aluminum wire for this run. What gauge of wire I should use?
Andrés Iopez's user avatar
0 votes
1 answer
366 views

100A sub panel from 150A Service at Body shop [duplicate]

I'm running 100' away from 150A main Service panel to 100A sub panel, my question is: what wire gage shoul I use? Thanks
Freddy's user avatar
  • 1
0 votes
1 answer
589 views

Subpanel run to secondary floor apartment from basement [duplicate]

What size wire would I need to run a 100 amp subpanel 28 feet away? I have 6/3 wire would that do it?
Mel Bernard's user avatar
13 votes
1 answer
187k views

What size wire should I use to feed a subpanel in my garage?

My main panel has been upgraded to 100 amps. I would like to add a subpanel in the garage which would supply: 20 amp Mig welder running on 120 volts, but later upgrade to a larger Mig welder as i ...
Peter's user avatar
  • 131
5 votes
3 answers
72k views

Need advice on connecting 100 amp sub-panel to 200 amp main panel

I currently have a 200 amp main panel that is full. I'm planning on installing some equipment for a water well pump, water softner, etc. and it seems to make sense at this point to install a sub-...
Randy Syring's user avatar
4 votes
3 answers
42k views

What type of wire should I use to feed a 70 ampere subpanel?

Finishing a basement and I need to add a subpanel. Main panel is outside. Subpanel will be in the basement. 70 Amp breaker in the main to feed the subpanel. I was thinking THHN but would this mean ...
murisonc's user avatar
  • 143
4 votes
3 answers
6k views

What wire should I run to my garage for tools and a welder?

I will be running 240v to my garage to wire up an outlet. From the Panel in our basement to the plug location it is about 30M(~100ft) away. I am hoping to have an outlet in my garage that can service ...
Freddy22's user avatar
3 votes
2 answers
103k views

Wire Gauge/Type for 100amp detached Shop?

I have a new woodworking shop that I built behind my house. The shop has a 100 Amp panel and I have wire the shop for 110v/20a plugs and 220v/20a plugs. My house has a 225amp service and already has a ...
Doug's user avatar
  • 31
3 votes
2 answers
26k views

Running 240v power to detached garage for electric vehicle

We have a detached garage approx 95ft away from the main house and we are looking to run a 240v circuit there. Currently we have Romex wire running straight into the ground. (This is how it was when ...
Andy's user avatar
  • 51
5 votes
2 answers
16k views

How do I convert an existing electrical panel to a subpanel?

I'm going to upgrade my existing electrical service from 100 amps to 200 amps. Along with the service upgrade, I'll be moving the location of the service drop (part of a larger home remodel). I want ...
the_meter413's user avatar
4 votes
4 answers
3k views

Wiring up a subpanel in attached workshop

I need to wire up my attached workshop, which is about 50' from the main panel. I don't want to make a bunch of homeruns and would rather install a workshop-specific panel for this task. I will be ...
Kevin's user avatar
  • 145
3 votes
3 answers
30k views

What size wire for two 100 amp sub panels?

I am running two 100 amp sub panels from a 200 amp service. My question is the wire size. I have seen the chart via The NEC provides wire sizing based on the type to be used and the application. I ...
dan d 's user avatar
  • 31
0 votes
2 answers
98k views

What size wire do I need for a 100amp underground 300 ft run?

I want to put in a 100amp subpanel in my garage. The run will be underground and 300ft long. I have a Siemens panel with breakers rated at 60/75 deg C. What is the proper wire size I need? I was ...
Ryan's user avatar
  • 9

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