Can a circuit breaker be in the attic?

Although a location may meet the strict definition of the code, it may not make sense to put it there. For example, locating the main circuit breaker box in an attic where it is not readily accessible does not make good sense — in an emergency it would be difficult to shut off a circuit breaker.

Should I install a subpanel?





If your home’s electrical service panel (breaker box) is full and you need more room to add new circuits, installing a subpanel might be the way to go. Subpanels certainly can add convenience and plenty of room for installing new circuits, but your current system must have enough capacity to support a subpanel.

Can you run a 100 amp sub panel off a 100 amp main panel?

Let me try and answer some of your questions. First the panels you are looking at that are rated 100A simply means you can use them for any application up to 100A. You can for example add a 60A breaker to your existing panel and protect the new subpanel with a 100A rating.

Does a subpanel need a main breaker?

The subpanel may be equipped with a main breaker to allow for power interruption without having to go back to the main panel, but it is not required to have a main shutoff circuit breaker, since the feeder breaker back in the main panel serves this function.

Does a subpanel need a ground bar?

Yes, any sub panel outside of the main building requires it’s own ground rod and a ground wire back to the main building. And yes, a sub panel in the same building as the main does not need a ground rod – only the ground wire.

Can I use a main panel as a subpanel?





Is it possible to use a main breaker panel as a subpanel? According to electrical-online.com, a standard load center can be used as a subpanel. The neutral bonding jumper is needed to be removed. The neutral must be out of the way in a subpanel.

How far can a sub panel be from the main panel?

You may not know this voltage, so it’s best to provide 4 feet. The panel must be easily accessible, so don’t install it too far above the floor; 4.5 to 5 feet is about right. The cable you run from the main panel to the subpanel also depends on the amperage rating.

Can you feed a 100 amp sub panel with a 60 amp breaker?

You can feed a 100 Amp panel with a 60 Amp breaker. Keep in mind that the sub panel needs to be rated above the breaker size.

Can I run a 100 amp sub panel off 200 amp main?

Of course you can, you can add the 100 amp breaker to your 200 amp as long as it isn’t overloaded, to start adding the subpanel you must first calculate how many yards it will be from the main panel to the subpanel, there is a formula that calculates how much friction will be on the wire at the connecting distance, …

Where do you place a subpanel?



The panel must be mounted in a dry location and have easy access to it. Only attach a panel in an area that is not exposed to flammable materials and never mount it where it is exposed to moisture like a bathroom or indoor swimming pool area or the like.

Does a subpanel need a neutral?

The neutral and ground MUST NOT be bonded at a sub-panel. They should only be bonded at the main service panel. If you bond them anywhere other than the main service, the neutral return current now has multiple paths, including though your ground wire.

Can you feed a 100 amp sub panel with a 50 amp breaker?

Just wire it up. There is no problem using a sub panel that can take more current than you will ever feed it. Points to note: The cable to your hot tub will be rated for 50A (not 100A); therefore you must not upgrade the breaker in your main panel to 100A.

How much does it cost to have a sub panel installed?



between $400 and $1,750

The average cost of installing a subpanel is between $400 and $1,750, depending on the amperage and number of circuits installed. Typically subpanels have 4 to 20 or more circuits and between 100 and 150 amps.

How much does it cost to rewire a 1500 sq ft house?

Cost to Rewire a House Per Square Foot

Square Feet Average Cost
1,000 $1,650 – $3,800
1,200 $2,000 – $4,500
1,500 $2,350 – $5,700
2,000 $3,200 – $7,700

Is 100 amp enough for a house?

Most homes require an electrical service of at least 100 amps. This is also the minimum panel amperage required by the National Electrical Code (NEC). A 100-amp service panel will typically provide enough power for a medium-sized home that includes several 240-volt appliances and central air-conditioning.