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Old 05-22-2013, 11:52 AM   #16
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Setting up breaker panel - have a question


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Originally Posted by TrailerParadise View Post
Is there any specific way that breakers are supposed to be listed in the breaker panel?
We are nearly to the point of setting up the breaker panel. Right now it contains the main 200Amp. There are plenty of open spots, and i need to install:
- 3 double 15Amp breakers with 14/2 wires attached (lights)
- 3 double 20Amp breakers with 12/2 wires attached (receptacles)
- 1 single 20Amp breaker with 12/2 wire attached (Receptacle)
- 1 single 50Amp breaker with 6/3 wire attached (Stove)
- 2 single 30Amp breakers with 10/3 wire attached (Dryer and Water Heater)

Do they have to be installed in a certain order, or can they just be put wherever they can fit?
I had a electrican wire my home he put all 240V on one side and all 110V on the other side of the load center worked out great it went HVAC, Dryer, Kitchen, Water heater. all on the same side then the 110 on the other. was nice and neat. But that is my two cents I don't mess with electrical.

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Old 05-22-2013, 11:53 AM   #17
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Setting up breaker panel - have a question


Now that you have clarified about the tandems vs a double pole, you will need to check the label to see what positions will accept the tandems.
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Old 05-22-2013, 12:42 PM   #18
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Setting up breaker panel - have a question


jbfan, i have six 14/2 wires, which will take three tandem breakers. I have seven 12/2 wires, which will take three tandem breakers and one single breaker. i have two 10/3 wires and one 6/3 wire. Those require their own. So ten breakers in all, six of them need to be tandem, each tandem breaker will have two romex cables attached to it. Im not actually hooking the box up myself, my mom is, but i wanted to be clear on this before we get started.
And you still havent explained what a disconnect is. There isnt a flipswitch for a romex cable, so im not sure what you are talking about.
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Old 05-22-2013, 12:47 PM   #19
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Setting up breaker panel - have a question


This is a disconnect.

http://www.homedepot.com/p/Eaton-AC-...21RP/202106492

You still do not need 10-3 for the water heater. 10-2 is all you need.
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Old 05-22-2013, 12:51 PM   #20
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Setting up breaker panel - have a question


Thanks Jim. Needed or not, can i still use 10/3 for a water heater? Only asking because ive already made one trip to lowes to exchange it, i really dont want to make that drive again until i need more supplies
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Old 05-22-2013, 12:55 PM   #21
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Setting up breaker panel - have a question


ok so im guessing that to install one of these, you feed the wire in the top, attach it to a breaker of some sort, then run the wire out the bottom and into the water heater, correct?
I know i must sound ignorant on this subject but the only water heater ive ever paid any attention to was the original one in this house, and before i could examine it to see how the wire attached to it, my fiance ripped the wire right out of the top. So i have no idea how it hooks up. Hoping beyond hope it comes with instructions.
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Old 05-22-2013, 01:11 PM   #22
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Setting up breaker panel - have a question


The cable is going to go from the panel into the back or bottom of the disconnect. From the disconnect you wire to the WH. The only breaker is in the panel itself.

You can use the 10-3, you will just cap the white.
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Old 05-22-2013, 01:18 PM   #23
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Setting up breaker panel - have a question


ok thanks. I thought i would have to cap one of them, so that isnt a problem. Thanks for all the help, this weekend ill stop by Home Depot on the way home and get one of those disconnects and the ten breakers, and hopefully by Monday, my home will be electricity capable!
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Old 05-22-2013, 04:42 PM   #24
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Setting up breaker panel - have a question


Article 422.31(a)
Article 422.31(a) of the National Electric Code defines the means of disconnection for permanently connected appliances that are rated not higher than 300 volt-amps or 1/8 horsepower. A permanently connected appliance is one without a cord plugged into an outlet. Appliances that fall under this description can be disconnected by an over-current device, such as a circuit breaker or a fuse, without any additional means of disconnection required. Electric water heaters exceed the 300 volt-amp requirement of this section and are subject to additional requirements.


is this code superseded some where?

edit ahhh i see

Article 422.31(b)
Article 422.31(b) of the National Electric Code expands on section (a) to include the requirements for permanently connected appliances that exceed 300 volt-amps and/or 1/8 horsepower. This section covers electric water heaters that lack a cord for plugging into an outlet; it states that the over-current device can serve as the disconnecting means only if it is visible from the appliance or if the over-current device is capable of being locked in the open (off) position. If the over-current device does not meet this provision, than an additional disconnect must be provided that does meet the requirement.

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