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There's more to it than just adding some larger wire. You must upgrade your meter, your weatherhead, conduit, etc. Your power company will handle the cable from the pole to your meter. After that...its up to you. 4/0 aluminum or 2/0 copper SE or USE from the meter to panel. This change has to go all the way back to the main power transformer. It's illegal to do this yourself and the power company will not turn your power back on of you do. Call an electrician.

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16y ago
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12y ago

The rating of a panel dictates the maximum current of the panel and is protected by a breaker of that rating. If you had 200 amp service to your house and only had a 100 amp panel then you could only draw 100 amps before the breaker tripped.

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14y ago

A three ought (000) copper wire with an insulation factor of 90 degrees C has an amp rating of 210 amps.

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11y ago

Yes. You need to balance loads since you are not getting an extra 100 amps, your overall limit is still 200 amps.

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Q: Can you feed 200 amps to 100 amp panel?
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Can you feed a 200 amp sub panel from a 200 amp panel?

Judging by your question I'm going to take a guess and say you should probably not attempt to do this yourself. Nor do I recommend it. That being said. You can either have your service upgraded to 200amp, and install a 100amp double pole breaker and branch it off into a 100 amp sub panel. You could most likely re-use your old panel for the 100 amp sub panel. Or... You could have your new 200 amp panel installed in a different location and your current panel wired into it for 100 amps.


Can you add 100 amps to 200 amp ratred box?

No, if the UL Rated Listing for the Panel is 200A than that's it. You cannot have 300A flowing through a 200A Panel.


What size wire is needed to feed a 125 amp sub panel from a 200 amp panel less than 200 wire feet away?

A #1 copper wire with an insulation rating of 90 degrees C is rated at 140 amps.


What size wire for a 100 amp sub panel 40 ft away?

A #1 copper conductor is rated at 140 amps with an insulation rating factor of 90 degrees C at 240 volt single phase, will give you a full 100 amps at 200 feet. #4 wire should give you 95 amps. Anything over 200 feet you will start loosing more amps.


For 200 amps service do you use 100 amps per 120 volt leg?

A 200 ampere service provides 200 amperes per leg


What is the rating of the main circuit breaker of the 60kw power distribution panel?

200 amps


Can you switch out your 100 amp breaker to a 200 amp one for a service upgrade if your supply wires are already 2-0 copper that is can I keep my existing panel since I have all the space I need?

I doubt if you can fit a 200 amp breaker into a 100 amp panel and it is illegal as the bus bars in a 100 amp panel are rated at 100 not 200 amps. The panel must be of the same capacity in amps as the main breaker that is installed in it. You can go smaller but not larger. The other problem is that a 200 amp service required three ought (000) wire. 000 copper wire with an insulation factor 90 degrees C is rated at 210 amps. Two ought (00) copper wire with an insulation factor of 60C is rated at 145 amps, 75C is rated at 175 amps and 90C is rated at 185 amps. Buy a complete house package that has the main breaker and all of the appliance breakers plus a few breakers for 15 amp circuits, all for one price that is cheaper that buying individual pieces.


What Average Wiring amps in a home?

100-200 Amperes.


How many amps does it takes to light up a led 100 watt?

You need the volts times the amps to equal 100 Watts. On 12 v that is 8.33 amps, or on 200 v is it 0.5 amps.


Can you hook up 200 amp dervice to a 125 amp service panel?

No. If device draws 200 amps breaker will trip.


What is the standard amps for a 35 year old home?

In the late 70's and early 80's home distribution panels were changing. The standard home panel was 100 amps. Before that is was 60 amps. In the 80's, panels were changing to 150 amps. This standard stood for many years. Starting in the new millennium new homes were having 200 amp 42 circuit panels installed. Now a 200 amp 42 circuit distribution panel is a standard install.


What would happen if a 200 amp breaker is used in a 100 amp sub panel?

There are two things to think about here. First of all a 200 amp breaker will not physically fit into a 100 amp panel. This is so designed because the panel buss is not designed to conduct 200 amps before the current is cut off. A 100 amp rating on the panel is the maximum amount of current that the manufacturer states, that can be handled safely. Second if the 200 amp breaker is in the main panel then everything downstream from that breaker has to be rated for 200 amp conductivity. The wire size will have to be 3/0 from the breaker to the first over current device in the sub panel which will be the sub panel's main breaker. The sub panel can not be a load center but will have to be a combination panel. I doubt that the 100 amp sub panel's main breaker lugs would be large enough to connect the 3/0 cable.