Question for an electrician - HELP!

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Originally Posted by Starz26

3. Add up all your breakers and make sure they do not go over the total amps for your service.

If you have a 42 circuit 200 amp panel, you could install 42 20 amp breakers if you want. This is because most circuits are not continuous loads.
Breakers are sized to protect the wire. Wire is sized to serve the load.

DO NOT PUT A 30 BREAKER TO FEED 15/20 AMP OUTLET.