Can a 125 amp breaker box replace a 100 amp breaker box?

Answer 1

Sure but go for a 200 amp box if you are certain your incoming power supply cable from the street can support it. You should always check with your local electric power company before you upgrade any main supply panel or breakers.

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As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.

Before you do any work yourself,

on electrical circuits, equipment or appliances,

always use a test meter to ensure the circuit is, in fact, de-energized.

IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOB

SAFELY AND COMPETENTLY

REFER THIS WORK TO QUALIFIED PROFESSIONALS.

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Answer 2

No, a 125 amp breaker box cannot directly replace a 100 amp breaker box. The electrical panel must be properly sized to match the service size and equipment connected to it. A licensed electrician should be consulted to determine the appropriate size and make any necessary upgrades.

Answer 3

You would have to ensure that the service entrance cable can support 100A. Depending where you are located, you should inquire of your electricity provider if you are equipped for 100A. It may also require a meter change out.