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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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15y ago
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6mo ago

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.

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14y ago

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.

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Q: Can a 125 amp breaker box replace a 100 amp breaker box?
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Related questions

What is the difference between a 100 amp breaker box and a 125 breaker box?

The amperage capacity of the main bus bars and the connection of the main breaker to the bus bars.


Can a 4 amp breaker be used to replace a 35 amp breaker for ac unit?

NO!


How do you turn a 30 amp circuit into a 15 amp cicuit?

Replace the 30 Amp Breaker with a 15 Amp breaker.


What size breaker do you use for a 100 amp sub panel?

A 100-A sub-panel would be fed from a 100-A breaker.


Can a 40 amp breaker not a 4 amp breaker be used to replace a 35 amp breaker for ac unit?

No, it is not recommended to replace a 35 amp breaker with a 40 amp breaker for an AC unit. Breakers are designed to protect the circuit and the equipment, so using a higher rated breaker can lead to overheating and potential damage. It is best to use the correct amperage rated breaker for the equipment.


Does a double 50 amp breaker make a 100 amp?

No, a double pole 50 amp breaker protects a 240 volt supply at 50 amps. The number that is on the handle of the breaker is the amperage that the breaker will trip at if an overload occurs on the circuit.


What wire size do you need for a 125 amp panel with a 100 amp main breaker?

A #3 copper conductor with an insulation factor of 90 degrees C is rated at 115 amps. Even though the panel is rated at a higher amperage it is the main breaker that governs the wire size.


How much should you pay for a 100 amp breaker?

probally about 100 dollars


If a 100a breaker keeps tripping?

If a 100 amp breaker keeps tripping there is an overload on the system.


Can a 100 amp main have 2 50 amp breakers?

Yes, a 100 amp main panel can have 2 separate 50 amp circuits protected by 50 amp breakers. This configuration allows for two separate circuits drawing up to 50 amps each from the main panel without overloading the panel's 100 amp capacity.


Is there any disadvantage of selecting over rated circuit breaker?

If i understand you correctly, yes there certainly can be. If you replace, say a 10 amp breaker with a 20 amp. you are losing the safety factor - the whole purpose of the breaker to begin with. Always replace a breaker with the exact same amperage rating!


Can 50 Amp breaker replace 45 Amp breaker?

Both a 45 amp and 50 amp breaker would require 6 AWG wire. So if you have 6 AWG wire and any devices like an outlet are rated at 50 amps or greater you are okay.