wanting to add a 100A service to my garage

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number1hag

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i have a 200A service in my house whitch i am going to replace as my lights keep flickering. i am wanting to add 100A service to my garage for woodworking tools and extra outlets. i have a lisened and bonded electrician who will let me pick up all the mateirials and he will do the work. (lets me save a bunch of money) what i am wanting to know is can i jump the 100A service from my 200A service? will i need the electric co. to install larger lines from the ploe to the house? i will only be using the woodworking tools for hobby and my own home remodel, not production. so they will not be used all that often. tring to get all the info and matierials before i get the electrician over here. up here code is a reason for putting on a coat and nothing more. my main concern is safty. thanks in addvance for all the wisdom i am about to receive.
 

Lakee911

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You can connect your 100A subpanel to your 200A main panel in your house. The loading is what determines the size of the service, not the breaker size. Your electrician should tell you what you need to buy for this.

Jason
 

Jadnashua

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If you add up the capacity of all of the CB in your current panel, it is likely that it exceeds the 200A coming in...throwing in another breaker at 100A is still possible as indicated...only if the entire load exceeds the main does it become a problem. Even with 100A available, you probably wouldn't have everything turned on in the garage.
 

Ron in SC

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It might be worthwile to upgrade to 400 amp service. You would have one meter and two 200 amp disconnect boxes one going to the garage and one to the house.
 

Chris75

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It might be worthwile to upgrade to 400 amp service. You would have one meter and two 200 amp disconnect boxes one going to the garage and one to the house.

Could be WAY overkill, I would suggest a proper load calc, and take it from there.
 
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