Home Improvement Asked on November 9, 2021
I want to install central air conditioning in my home but my current service is 100 A, I believe.
If I were to upgrade to the 200 Amp service, could the breakers be configured where I have two 100 Amp main breakers? One will be the already existing breaker box servicing the house as usual, and the other would be just for the central air conditioning.
Is this possible to configure like this?
Not necessary.
All you need to do is get your 200A service, feeding a new service panel that is a 200A “main panel” with main breaker. Then inside this panel, stick a 100A breaker, then run 1 AWG aluminum wire from there to the old 100A panel.
The old panel must be re-configured as a subpanel, which requires removing all ground wires from the neutral bar, putting them on an accessory ground bar, and removing the neutral-ground bond.
Answered by Harper - Reinstate Monica on November 9, 2021
It is possible, and not uncommon.
You'd have to splice it in one of the boxes before the breaker, after the meter.
You can cut off power by removing the meter from its socket, which breaks the seal.
I wouldn't touch it unless I first had a discussion with the company and an electrician.
Answered by P2000 on November 9, 2021
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