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Old 01-22-2012, 07:28 PM   #16
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Adding a dishwasher and garbage disposal


every new d w that we purchased.. in the installation manual under electrial is states...dedicated 20 amp circuit..???? Iam just saying if you have a brand new d.w..install according to manufactors specs.....not sure of nec but i think it also states they have to be on seperate circuits...????hope that helps

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Old 01-22-2012, 07:28 PM   #17
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What amp line 10 or 16?
1 X 10 amp for luminaires
2 X 20 amp for countertop circuits
1 X 16 amp for microwave hood / gaz ingitor unit ( this is allowed in French Nomes )

All them are RCD protected aka GFCI protected.

Merci,
Marc
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Old 01-22-2012, 07:31 PM   #18
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Adding a dishwasher and garbage disposal


Quote:
Originally Posted by ben's plumbing
every new d w that we purchased.. in the installation manual under electrial is states...dedicated 20 amp circuit..???? Iam just saying if you have a brand new d.w..install according to manufactors specs.....not sure of nec but i think it also states they have to be on seperate circuits...????hope that helps
No specific code that relates to dw to be dedicated. There's the over code that you must follow manufacture instruction, and then theres % of ampacity if it's cord and plug.
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Old 01-22-2012, 07:31 PM   #19
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Adding a dishwasher and garbage disposal


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every new d w that we purchased.. in the installation manual under electrial is states...dedicated 20 amp circuit..???? Iam just saying if you have a brand new d.w..install according to manufactors specs.....not sure of nec but i think it also states they have to be on seperate circuits...????hope that helps
Ben.,

It will mention in NEC in couple places but the key issue is follow the manufacter instruction.

However for the rest of the readers just make sure you check with your state / local codes there will be some change along the way so always check with your local codes for further updates.

And pay attetion about disconnection means I will fill that in later.

Merci,
Marc
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Old 01-22-2012, 07:32 PM   #20
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Adding a dishwasher and garbage disposal


Quote:
Originally Posted by frenchelectrican

1 X 10 amp for luminaires
2 X 20 amp for countertop circuits
1 X 16 amp for microwave hood / gaz ingitor unit ( this is allowed in French Nomes )

All them are RCD protected aka GFCI protected.

Merci,
Marc
Cool I didn't know they use 20a I've been in the middle east shorty and I mostly saw 10 & 16a
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Old 01-22-2012, 07:34 PM   #21
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Cool I didn't know they use 20a I've been in the middle east shorty and I mostly saw 10 & 16a
We just start useing the 20 amp circuits not too long ago ( couple years ago ) we could use the 24 amp breakers but it more verisiable to use the 20 than 24 due you will end up getting larger conductor anyway.

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Marc
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Old 01-22-2012, 07:35 PM   #22
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Adding a dishwasher and garbage disposal


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We just start useing the 20 amp circuits not too long ago ( couple years ago ) we could use the 24 amp breakers but it more verisiable to use the 20 than 24 due you will end up getting larger conductor anyway.

Merci,
Marc
Good to know for when I move to France
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Old 01-22-2012, 10:11 PM   #23
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Wow, This thread blew up! Thanks for the good info.

Basically I am hoping to keep things as simple as possible. We will be replacing our cabinets and counters with roughly the same footrprint. One exception being that we will be swapping a 24" cabinet for a dishwasher (brand/model yet to be determined. We would also like a disposal.

The house was built in the mid 1970's and I am pretty sure the kitchen electrical is original. The previous owners had a garage furnace that is no longer there, so I have a 20 amp circuit that currently only has one outlet on it. I would like to keep the outlet if possible. Its in the front of the garage and only gets used a couple of times a year. I can get rid of it if needed though.

So a 20 amp would be okay (tentatively, depending on the dishwasher recommendations) for both?
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Old 01-22-2012, 10:34 PM   #24
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Wow, This thread blew up! Thanks for the good info.



So a 20 amp would be okay (tentatively, depending on the dishwasher recommendations) for both?
If ya running a new one then it is not a major issue and how far ya from the load centre if very short run it will not be super hard to install a new circuit if your panel do have a spare circuit in there.

I will not be too crazy to borrow the unused garage circuit due you mention about the recpetale in there IMO it will be much wiser to just string the new one.

Can both be on the same circuit ? ( For dishwashwer and garabge dispoal unit ) It can if under 10 amp each but becarefull some local codes may frown on that and most new dishwasher do draw anywhere from 4 amp to much as 12 amp easy depending on model and the mode it run.

Now the other issue I will address now due I mention I will expain later so now this is the time.

For the disconnecting means there is couple options you can do depending on the local/ state requirement do allow.

Option A ., Have a wall switch for dishwasher and second switch for garbage dispoal unit ( the garbage dispoal unit some case it will come with air switch so it may change the plans a little ) cord et plug do count as disconnecting purpose but hardwired verison it have a switch for disconnecting means.

Option B ( this part I don't used often ) Is hardwired the dishwasher and use the breaker as disconneting means ( this item you will have to check with your local codes due there are some change along away )

Merci,
Marc
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Old 01-22-2012, 11:07 PM   #25
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Originally Posted by frenchelectrican View Post
If ya running a new one then it is not a major issue and how far ya from the load centre if very short run it will not be super hard to install a new circuit if your panel do have a spare circuit in there.

I will not be too crazy to borrow the unused garage circuit due you mention about the recpetale in there IMO it will be much wiser to just string the new one.

Can both be on the same circuit ? ( For dishwashwer and garabge dispoal unit ) It can if under 10 amp each but becarefull some local codes may frown on that and most new dishwasher do draw anywhere from 4 amp to much as 12 amp easy depending on model and the mode it run.

Now the other issue I will address now due I mention I will expain later so now this is the time.

For the disconnecting means there is couple options you can do depending on the local/ state requirement do allow.

I have never seen a dishwasher on a switch, what do you mean?

Option A ., Have a wall switch for dishwasher and second switch for garbage dispoal unit ( the garbage dispoal unit some case it will come with air switch so it may change the plans a little ) cord et plug do count as disconnecting purpose but hardwired verison it have a switch for disconnecting means.

Option B ( this part I don't used often ) Is hardwired the dishwasher and use the breaker as disconneting means ( this item you will have to check with your local codes due there are some change along away )

Merci,
Marc
Our box is full. It's approximately 20 feet to the sink I would guess. This is the most "open" that we could use. It's a 20 amp that really goes unused. Basically in the easiest case scenario I would like is ether the dishwasher + GD + the rarely used outlet or just the DW + GD. OR whatever we need to do to be safe.

We haven't picked out a dishwasher yet so I may just need to check out what kind of amps they pull.
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Old 01-22-2012, 11:12 PM   #26
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Ok can you post the model number of that breaker box I know some can use the tandem breaker which it can be used only if that model do allow it so can you get the model number if not sure just take a photo and post it here we will go from there.

Merci,
Marc
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Old 01-23-2012, 09:42 PM   #27
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I couldnt find a model number. If it's original, it's from the mid 70's.



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Old 01-24-2012, 01:18 AM   #28
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Total Tool.,

I will give you a heckva a good tip on QO panels if you are missing the breaker info on the front door this what you will have to do is take the cover off only if you feel comfortable with it.

If so then go ahead and take the cover off and look at the left side of inside the tub there will be a model number posted otherwise take a photo at the breaker mounting feet is I will able indentify it for you to see if that can take tandem breaker.

IMO the best bet is put a sub panel next to it that useally take care of the issue.

If you need more infomation about the subpanel just hit the search function and type in " subpanel " it will come up a bit of infomation what ya looking for.

Last thing I did notice the label on the panel I did relized who that EC is on that label ( I will expain in other time that one of my distance family member )

Merci,
Marc
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Old 01-24-2012, 09:01 PM   #29
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Well, I opened it and didnt die. None of my pics turned out though. Hope this enough info to help figure this out: "Square D Company Box Cat QOBW 20M100"
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Old 01-24-2012, 09:11 PM   #30
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If I did recall that letter that is a old style 100 amp 20 space panel and let you know there is no way you can legally can add tandem breaker on that but the other option you can do is add a subpanel next to it then you will be fine.

Merci,
Marc

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