Webadding a 100 amp subpanel in the basement, will be about 80 feet from the main panel.

We usually use copper in the field & i knew off hand that i could use #3 awg,.

If you consult the wire gauge chart, you see that the #0 wire can handle 150 amps.

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I plan to install a 100 amp circuit breaker in the house panel.

It's purpose is expansion and centralization of the utility room in a house.

Webmost of the reviews mention running it for a 100a subpanel or for like a modular home.

I was under the impression however that you have to use.

I need to upgrade to a 100 amp panel.

The main panel is a 200 amp panel about 300 feet away from the sub.

Webi currently have a 50 amp sub panel in my guest house.

The specs are listed as 100a max.

The run to the garage, lug to.

Larger capacity (current) panels are also larger capacity.

Webso be mindful of everything needing power and choose the amperage rating that suits your needs for power and safety.

Youโ€™ll want to make sure that the amperage rating for an electrical.

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That means that you can install a subpanel of up to 200 amps of a 100.

Webfor sending 100 amps current 150 feet away, we need a wire with at least 162. 5 ampacity.

Webfor example, if you use a 90a feed breaker and 2 awg aluminum wire, you can feed a 100a (or 200a!) panel.