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Needs to be convenient to work on. Top of panel should not be higher than eye level unless it is a very large panel. Try to keep the top of the panel at about 65 to 70 inches.
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In the United States, the NEC requires that an overcurrent device be installed not higher than 6 feet 7 inches. It's important to remember that when you are looking into a panel, you might not have good lighting and you want to be able to see what you're working with. Placing the panel so that working with branch circuits is comfortable without violating the code is preferable IMO.
I'm not writing to disagree with Dave. You will find many panels mounted 65 to 70 inches high. Sometimes, especially in a home, you don't have the room to bring the service conductors into the home and into the panel and mount it higher than that. But it is nice to walk up to a panel and with good light or a flashlight, be able to give the whole thing a good look. ========== Sparkfighter
What else can I help you with?
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.
What should you do if your 200A breaker panel is full and you need to add three forty amp two pole singal throw breakers?
First you need to determine if addition of the new breakers will exceed the 200A service under normal operating conditions. If so you will need to go to power company and increase service and put in a larger main panel. If you have the capacity for the extra current you can add a sub-panel and add the breakers there as well as the breakers you will remove from main panel to accommodate the sub-panel breaker. Another way depends on what breakers are in current panel. There are some breakers that can be duplexed in the same space as a single breaker.
Do you need a main disconnect on the feeder wires running to a detached garage running from the box in the house?
Yes you do. The detached garage will either be fed with a single circuit or a sub panel. The wire feeding the garage will need to be protected and that is the purpose of the breaker (disconnect). The breaker size will be determined by the size of the wire that is used on this circuit.
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.
Have existing a 125 amp main need more breakers spaces?
You can swap a single breaker for two mini breakers or you can add a sub-panel. If you only need a couple of extra circuits then just add mini-breakers.
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.
I have a Transformer 480 primary 208 secondary feeding 1 200amp mb 42 space panel I need to feed a subpanel 6 ft away I'm thinkin feed through lug at top of bus or at feed through MB suggestions?
The sub-panel need to be fed from the main panel, by way of a circuit breaker connected to one of the breaker locations. Or if your sub-panel has a main breaker installed you can feed from the main panel with a sub-feed lug kit. This looks like a breaker, but is only a point where you can branch off the sub panel.
If you have a 200A Meter Main Combo do you need a main 200A breaker in the panel?
No, a Meter Main Combo typically includes the main breaker as part of its design, so you would not need an additional main breaker in the panel. The main breaker in the Meter Main Combo serves as the disconnect for the panel.
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.
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 can I add a breaker to a full panel?
To add a breaker to a full panel, you will need to first turn off the main power supply. Then, carefully remove the panel cover and identify a suitable location for the new breaker. Install the new breaker by connecting it to the panel's bus bar and wiring it to the circuit you want to power. Finally, secure the breaker in place and replace the panel cover before turning the power back on. It is recommended to consult a licensed electrician for this task to ensure safety and compliance with electrical codes.
What should you do if your 200A breaker panel is full and you need to add three forty amp two pole singal throw breakers?
First you need to determine if addition of the new breakers will exceed the 200A service under normal operating conditions. If so you will need to go to power company and increase service and put in a larger main panel. If you have the capacity for the extra current you can add a sub-panel and add the breakers there as well as the breakers you will remove from main panel to accommodate the sub-panel breaker. Another way depends on what breakers are in current panel. There are some breakers that can be duplexed in the same space as a single breaker.
Do you need a main disconnect on the feeder wires running to a detached garage running from the box in the house?
Yes you do. The detached garage will either be fed with a single circuit or a sub panel. The wire feeding the garage will need to be protected and that is the purpose of the breaker (disconnect). The breaker size will be determined by the size of the wire that is used on this circuit.
Does a subpanel need a main breaker for proper functionality?
No, a subpanel does not necessarily need a main breaker for proper functionality.
What are the necessary steps for installing a 50 amp sub panel in a residential electrical system?
To install a 50 amp sub panel in a residential electrical system, you need to follow these steps: Turn off the main power supply to the house. Choose a suitable location for the sub panel. Install a new circuit breaker in the main panel for the sub panel. Run the appropriate gauge wire from the main panel to the sub panel. Connect the wires to the circuit breaker and the sub panel. Ground the sub panel according to local electrical codes. Turn on the main power supply and test the sub panel to ensure it is working correctly.
What are the necessary steps for installing a 60 amp sub panel in a residential electrical system?
To install a 60 amp sub panel in a residential electrical system, you need to follow these steps: Turn off the main power supply to the house. Choose a suitable location for the sub panel near the main panel. Install a new circuit breaker in the main panel for the sub panel. Run the appropriate gauge wire from the main panel to the sub panel. Connect the wires to the circuit breaker in the main panel and the sub panel. Ground the sub panel to the main panel and the grounding system. Install the sub panel cover and restore power to the system. It is important to follow all local electrical codes and regulations when installing a sub panel to ensure safety and compliance.
Can you add a second main breaker box to control breakers in the out buildings on a farm?
Yes, you can add a subpanel or second main breaker box to control breakers in outbuildings on a farm. This subpanel will be supplied power from the main panel in your primary building using appropriate wiring methods and breaker sizes. Make sure to consult with a licensed electrician to ensure proper installation and compliance with local electrical codes.
