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Old 03-23-2010, 10:03 AM   #1
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Remodeling bathrooms - is this wiring plan overkill?


I'm remodeling our bathrooms, and both are going down to the studs. Currently, I've got one 15 amp circuit powering both bathrooms - a total of three vanity lights, 2 exhaust fans, and two (non GFCI) outlets. Needless to say, it's difficult to run a hair dryer and do anything else. Since I'm going down to the studs in this remodel, I want to upgrade the electricity.

I want to keep the existing 15 amp circuit for the lights and fans, then run three new 20 amp circuits to three GFCI outlets (one bathroom has two sinks and I'm adding an outlet to the other sink). My hope is that in an extreme case, we could run three hair dryers with no problems. I'm going to have an electrician hook the lines up to the panel, but I want to do some of the legwork myself to cut down on cost.

Is this plan total overkill? Is there something else I need to consider? Since the one bathroom has two sinks, we'd like to make it fully usable for two people at once, without causing a problem in the other bathroom.

Thanks!

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Old 03-23-2010, 10:26 AM   #2
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Remodeling bathrooms - is this wiring plan overkill?


From Dave's sticky post:

Quote:
Originally Posted by Scube_Dave
Bathroom requires a dedicated 20a GFCI protected circuit that can serve outlets in multiple bathrooms
OR
Outlets & Lights in One bathroom
More circuits should not be a problem, but do you expect two hairdryers to be used at once in the double-sink bathroom? If so, separate circuits is reasonable in my opinion.

I don't know about sharing a lighting circuit among multiple bathrooms, probably ok. Does the existing 15A circuit feed anything other than the two existing bathrooms?

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Old 03-23-2010, 10:28 AM   #3
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Remodeling bathrooms - is this wiring plan overkill?


Quote:
Originally Posted by secutanudu View Post
From Dave's sticky post:

More circuits should not be a problem, but do you expect two hairdryers to be used at once in the double-sink bathroom? If so, separate circuits is reasonable in my opinion.

I don't know about sharing a lighting circuit among multiple bathrooms, probably ok. Does the existing 15A circuit feed anything other than the two existing bathrooms?
For now (no kids) I don't see us using 2 hair dryers in one bathroom, but since I've got the chance now, I'd like to make it possible.

As for the existing 15A circuit, it only feeds the bathrooms right now.
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Old 03-23-2010, 10:31 AM   #4
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Remodeling bathrooms - is this wiring plan overkill?


Hi Spidrw,
I see no problems with doing the bathrooms like you have stated,certainly shouldn't have any problems in the future doing it this way.I would suggest that you use a sharpie and identify each 12/2 w/gr romex that you run from the panel to each location on both ends. This way your electrician that comes to make the connections will be able to see where these wires go.
As for the overkill question,I don't think so, that is how i wired my house.
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Old 03-23-2010, 10:33 AM   #5
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Remodeling bathrooms - is this wiring plan overkill?


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Originally Posted by huck View Post
Hi Spidrw,
I see no problems with doing the bathrooms like you have stated,certainly shouldn't have any problems in the future doing it this way.I would suggest that you use a sharpie and identify each 12/2 w/gr romex that you run from the panel to each location on both ends. This way your electrician that comes to make the connections will be able to see where these wires go.
As for the overkill question,I don't think so, that is how i wired my house.

Great. Also, since I'm going to use 2-outlet 15A GFCIs, it's fine having those on individual 20A circuits, right?
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Old 03-23-2010, 10:35 AM   #6
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Remodeling bathrooms - is this wiring plan overkill?


No problem its the way its done
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Old 03-23-2010, 10:37 AM   #7
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Remodeling bathrooms - is this wiring plan overkill?


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Great. Also, since I'm going to use 2-outlet 15A GFCIs, it's fine having those on individual 20A circuits, right?
You can have 15A outlets on a 20A circuit as long as you have more than one of them on each circuit. A 2-outlet 15A counts as 2, so you're all set.
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Old 03-23-2010, 10:48 AM   #8
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Remodeling bathrooms - is this wiring plan overkill?


Actually you can have one 15a outlet on a 20a circuit as long as it is a duplex receptacle & not a single

Duplex is the normal outlet where you can plug 2 items in at once
Single receptacle means you can only plug one device in at a time

Singles are usually only used for dedicated circuits for a spsicifc high power device - like an AC
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Old 03-23-2010, 10:51 AM   #9
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Remodeling bathrooms - is this wiring plan overkill?


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Actually you can have one 15a outlet on a 20a circuit as long as it is a duplex receptacle & not a single
That's what I meant!
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Old 03-23-2010, 12:24 PM   #10
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Remodeling bathrooms - is this wiring plan overkill?


Depending on how far away your panel is, if it's far away, you could run a 12-3 homerun to the bathroom with two sinks' first outlet and then and then a 12-2 to the next outlet.
In the second, smaller bath, just run one 12-2 home run.
If the panel is close to the bathrooms, run dedicated circuits for all three GFCIs.
Not overkill at all. In a two sink bath I always run two circuits for the GFCIs.
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Old 03-23-2010, 12:30 PM   #11
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Remodeling bathrooms - is this wiring plan overkill?


Not overkill at all
I have 3 bathrooms & run a dedicated 20a circuit to each
Lights & fans are on a different circuit

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