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Normally the main is on the top but you can install a service panel with the main on the bottom unless local codes prohibit it.

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Q: Where is the proper location for a main breaker in a panel?
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Can you put a breaker panel in a hall?

Yes a breaker panel can be located in a hall. In fact a lot of apartments have them in that location just as you come in the main door to the apartment.


How do you connect 200amp from main panel to sub panel to the lug of the min panel to lug of sub panel?

Not exactly sure what your question is and you need to make sure you are in compliance with electrical code for your jurisdiction. But, generally speaking you install a large breaker (let's say 100A 2 pole breaker to power the sub panel) just as you would install any other breaker in the presently used (hot) panel, and the proper sized cable then goes from old to new and terminates on the main lugs of the new panel. Ground and neutral are usually isolated from each other in the sub panel but depends on other factors as to location of the sub panel, etc.


What is a sub panel?

A sub-panel is always fed from a main panel. The main panel is situated where the electrical service wiring first enters the main structure on a dwelling plot or building site.A sub-panel can be situated within the same building as the main panel or it can be in a subsidiary building or structure (such as a garage, garden shed or workshop) that is separate from the main building.More informationA sub-panel is another name for a secondary breaker box, just as "the main panel" is another name for "the main breaker-box"."Breaker-box" and/or "panel" are just alternative short names that are used instead of the full name "circuit breaker box".


Is it OK to have 250 A of breakers in a 100 A panel?

Yes. Many installations have breaker totals higher that the main breaker of the panel. It is worked on a percentage basis. Not all of the breakers will be on at the same time. In a home, on a 100 amp panel the average load is 50 - 60 amps. The 100 amp main breaker is protecting the 100 amp rated panel board. If the load current goes higher that the panel board is rated at, the main breaker will trip to protect the board.


Can you downgrade from a 125amp main breaker to 100 amp breaker using the same box?

You can reduce the breaker size because that limits the current that can reach the main panel. There is no safety issue other than the significant danger in an unskilled person changing out a main breaker.

Related questions

Can you put a breaker panel in a hall?

Yes a breaker panel can be located in a hall. In fact a lot of apartments have them in that location just as you come in the main door to the apartment.


Does a sub panel need a main breaker for proper electrical safety and functionality?

Yes, a sub panel does need a main breaker for proper electrical safety and functionality. The main breaker serves as a disconnect switch to shut off power to the sub panel in case of emergencies or maintenance. It also helps prevent overloading the electrical system and protects against electrical hazards.


What is the maximum amperage capacity of the main breaker in a 100 amp sub panel with main breaker?

The maximum amperage capacity of the main breaker in a 100 amp sub panel with a main breaker is 100 amps.


How can I safely add a breaker to a panel in my electrical system?

To safely add a breaker to your electrical panel, first turn off the main power switch. Then, carefully remove the panel cover and identify a suitable location for the new breaker. Make sure to use the correct size and type of breaker for your system. Connect the new breaker to the panel following the manufacturer's instructions, ensuring all connections are secure. Finally, replace the panel cover and turn the main power switch back on to test the new breaker.


What is the recommended size for the main breaker in a residential electrical panel, specifically for a 125 amp main breaker?

The recommended size for a main breaker in a residential electrical panel with a 125 amp main breaker is typically 150 amps.


What is the process for replacing a 200 amp main breaker in a residential electrical panel?

To replace a 200 amp main breaker in a residential electrical panel, follow these steps: Turn off the main power supply to the panel. Remove the panel cover to access the breaker. Disconnect the wires connected to the existing breaker. Unscrew and remove the old breaker. Install the new 200 amp main breaker in the same position. Connect the wires to the new breaker. Secure the breaker in place and replace the panel cover. Turn the main power supply back on and test the new breaker.


Does a subpanel need a main breaker for proper functionality?

No, a subpanel does not necessarily need a main breaker for proper functionality.


How do I properly add a breaker to a panel?

To properly add a breaker to a panel, first turn off the main power switch. Remove the panel cover and identify a free slot for the new breaker. Connect the breaker to the panel's bus bar and then connect the circuit wire to the breaker. Secure the breaker in place and replace the panel cover. Finally, turn the main power switch back on.


What are the necessary steps for installing a sub panel with a 100 amp capacity?

To install a sub panel with a 100 amp capacity, you will need to follow these steps: Determine the location for the sub panel and ensure it meets all local building codes. Turn off the main power supply to the area where the sub panel will be installed. Install a new circuit breaker in the main panel to supply power to the sub panel. Run the appropriate gauge wiring from the main panel to the sub panel. Connect the wiring to the circuit breaker in the main panel and the corresponding breaker in the sub panel. Ground the sub panel according to local codes. Install the sub panel in the designated location and connect all circuits to the breakers. Turn on the main power supply and test the sub panel to ensure it is functioning properly.


How do you connect 200amp from main panel to sub panel to the lug of the min panel to lug of sub panel?

Not exactly sure what your question is and you need to make sure you are in compliance with electrical code for your jurisdiction. But, generally speaking you install a large breaker (let's say 100A 2 pole breaker to power the sub panel) just as you would install any other breaker in the presently used (hot) panel, and the proper sized cable then goes from old to new and terminates on the main lugs of the new panel. Ground and neutral are usually isolated from each other in the sub panel but depends on other factors as to location of the sub panel, etc.


What is the maximum amperage capacity of the main breaker in the electrical panel, specifically looking for a 100 amp main breaker?

The maximum amperage capacity of a 100 amp main breaker in an electrical panel is 100 amps.


What is the maximum amperage capacity of the main breaker in the electrical panel, specifically looking for a 150 amp main breaker?

The maximum amperage capacity of a 150 amp main breaker in an electrical panel is 150 amps.