200 amp QO cabinet downsized to 100 amp?

There is a first time for everything…

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Many times all that is needed on a 100 amp service is more breaker space.

Are you thinking there is an issue with this install?

The problem was this was a 3000 sq foot farm house including a 4 bedroom 1 bath 2nd floor addition with a 4 ton A/C, electric range, 80 gallon water heater, Insta-heat supplemental water heater, electric dryer, well pump, plus the typical small kitchen appliances including a dishwasher. Forgot about the whirlpool tub and the outdoor pool. Oh, yeah, there was a pump for the septic tank but the nameplate was not visible…

But no one would have known that without me mentioning it.

Looks like time for a Licensed Master to do a load calculation and most likely do a heavy up to the service.


That’s what I put in the report. Attached is a guesstimate I put together.