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-   -   Kitchen Wiring, (http://www.houserepairtalk.com/f9/kitchen-wiring-10191/)

ISUzj 10-21-2010 02:56 PM

Kitchen Wiring,
 
SO I found out that my 70 yr old Kitchen is all on one 30amp breaker... whoo hoo!!!! :eek:

this is what I have figured I need:

20 amp Microwave
15 amp 3 GFCI's
50 amp Oven
15 amp Dishwasher and disposal
15 amp lights
15 amp fridge.


Is this right? are there any I can combine? not trying to cop out, just wondering. Just really am not for running 5 sets of wires all the way across the house...

Also, what is the consensus on the tandem breakers in 1 slot, are these okay?

Link to what I am thinking

kok328 10-21-2010 03:41 PM

Actually, I think the dishwasher and disposal have to be separate circuits too.
Tandems are okay and in this case just might be necessary.

ISUzj 10-21-2010 04:41 PM

K, well i was told you can get by putting them on one..(dishwasher and disposal)

Do the Amps seem right?

well, I guess I am going to have to start "mapping out" where I am running all of these wires... yay!

JoeD 10-21-2010 05:41 PM

You 20 amps for the counter receptacle GFCIs.

Use multi wire branch circuits. Use one 14/3 cable to run two circuits. Split them out in two circuits at the first receptacle. Use 12/3 for the 20 amp circuits.

kok328 10-21-2010 08:32 PM

Amperage wise, you may be able to put the dishwasher and disposal on one circuit but, I recall hearing something about them having to be on a separate circuit by code.

JoeD, isn't okay to use 15amp outlets for the kitchen counter outlets?

FYI, using 14/3 and 12/3 would imply sharing the neutral which is not allowed with a tandem breaker.

speedy petey 10-22-2010 05:08 AM

Quote:

Originally Posted by kok328 (Post 50183)
Amperage wise, you may be able to put the dishwasher and disposal on one circuit but, I recall hearing something about them having to be on a separate circuit by code.

It is not a code. They are fine together.


Quote:

Originally Posted by kok328 (Post 50183)
JoeD, isn't okay to use 15amp outlets for the kitchen counter outlets?

The devices can be 15A but the circuits must be 20A with #12 wire.


Quote:

Originally Posted by kok328 (Post 50183)
FYI, using 14/3 and 12/3 would imply sharing the neutral which is not allowed with a tandem breaker.

Huh?? Sure, you cannot put both legs of a MWBC on a tandem, but you can use two tandems for two MWBC's if you want.

ISUzj 10-22-2010 06:47 AM

well I have heard both for kitchen outlets, we will have 3 outlets so 20 might be okay....I am going to check local codes, see if there is anything on that.

JoeD 10-22-2010 12:12 PM

In Canada we have the option of using 15 amp split wired receptalces or 20 amp T slot recepotacles for the kitchen counter.

In US I believe you are required to have 20 amp counter circuits unless you have some sort of local amendment.

ISUzj 11-03-2010 02:14 PM

so, I have a general question steming from this: My kitchen is on one end of the house... and literally my breaker box is clear on the other side.... can I run a heavier gauge wire across and do a sub-panel for the kitchen, I really don't want to run 7 wires across the basement ceiling.

However, a roll of 12-2 250 ft is 60... i suppose 40 feet of heavier wire will be more than 60 won't it????

but let me hear the options....Thanks

Redbirdseven 11-03-2010 03:01 PM

Hi there ... Speedy Petey is right about the GFI circuits using the #12 wire but you need by code to have two separate GFI circuits in the Kitchen counter section. This is so if you have things like elec. frying skillets and crock pots and blenders and toasters and the like plugged in and running two more at the same time you can do so without tripping your breakers.
If I was doing the wiring I would vote for the separate runs of wire. If your panel will not hole the extra cir's well then it is time to up grade to a larger cir. panel


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