Max load rating on appliance circuit
#1
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Max load rating on appliance circuit
Hi all,
I'm trying to balance out my kitchen circuits and I have a few items left to find homes for.
Here are the items and their max draws:
Built in microwave: 13A (plug)
Built in coffee maker: 11.7A
Vent Hood: 3.8A
Warming Drawer: 3.75A (plug)
Stove sparker: 0.7A (plug)
Originally, I was going to group the MW/WD together and the Hood/stove/coffee, but that ends up with 16.75A and 16.2A total on each, respectively. This is above the 80%, but I'm not sure if that applies here. In this case, I can see them all being used simultaneously.
I'm running out of room on the panel, so I'd like to save a circuit if at all possible. Worst case, I can move the stove sparker to my basement lighting circuit (where it was before).
Any ideas? Am I right about the 80% being the max capacity on ANY circuit?
Thanks,
Anthony
I'm trying to balance out my kitchen circuits and I have a few items left to find homes for.
Here are the items and their max draws:
Built in microwave: 13A (plug)
Built in coffee maker: 11.7A
Vent Hood: 3.8A
Warming Drawer: 3.75A (plug)
Stove sparker: 0.7A (plug)
Originally, I was going to group the MW/WD together and the Hood/stove/coffee, but that ends up with 16.75A and 16.2A total on each, respectively. This is above the 80%, but I'm not sure if that applies here. In this case, I can see them all being used simultaneously.
I'm running out of room on the panel, so I'd like to save a circuit if at all possible. Worst case, I can move the stove sparker to my basement lighting circuit (where it was before).
Any ideas? Am I right about the 80% being the max capacity on ANY circuit?
Thanks,
Anthony
#2
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Personal experience - don't put anything else on the microwave circuit.
I know you're running out of room in the panel but I'd use three circuits here if that coffee maker sees anything more than occasional use.
I know you're running out of room in the panel but I'd use three circuits here if that coffee maker sees anything more than occasional use.
#3
These each need dedicated circuits because they are built-ins. For a "fastened in place" appliance, it requires a dedicated circuit if the appliance will draw more than 50% of the branch circuit capacity. Both exceed 50% of a 20A circuit.
These could be powered by a general-purpose lighting or receptacle circuit, but not one that powers kitchen, dining or pantry receptacles. Either would be okay to share with a dishwasher or disposal if you happen to have those available.
This can be powered by one of the small-appliance branch circuits that feeds kitchen countertop receptacles or any general-purpose circuit.
Vent Hood: 3.8A
Warming Drawer: 3.75A (plug)
Stove sparker: 0.7A (plug)
#4
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Thanks.
I may just bite the bullet and do a new subpanel. I have to make a junction box for the upstairs lighting circuits next to the main panel anyway, so it won't be too much hassle to just go with a new panel. It will let me clean up the existing (full) panel too.
Question about subpanel: since they will be right next to one-another, can I just have a breaker in the main panel and use a main-lug style subpanel? Or is code now such that both sides need a disconnect even if they are in close proximity?
This is what I'm considering:
Shop Eaton Cutler-Hammer 12-Circuit 12-Space 125-Amp Main Lug Load Center at Lowes.com
I may just bite the bullet and do a new subpanel. I have to make a junction box for the upstairs lighting circuits next to the main panel anyway, so it won't be too much hassle to just go with a new panel. It will let me clean up the existing (full) panel too.
Question about subpanel: since they will be right next to one-another, can I just have a breaker in the main panel and use a main-lug style subpanel? Or is code now such that both sides need a disconnect even if they are in close proximity?
This is what I'm considering:
Shop Eaton Cutler-Hammer 12-Circuit 12-Space 125-Amp Main Lug Load Center at Lowes.com
#5
The subpanel does not need a main breaker as long as it is in the same building as the panel feeding it. A main breaker is only required when the subpanel is in a separate building.
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That's what I thought, but I'm not always up on code changes. I'll read up and do some shopping online tonight. I'm sure I'll be back with some questions.
Thanks all.
Thanks all.
#7
This is what I'm considering:
Shop Eaton Cutler-Hammer 12-Circuit 12-Space 125-Amp Main Lug Load Center at Lowes.com
Shop Eaton Cutler-Hammer 12-Circuit 12-Space 125-Amp Main Lug Load Center at Lowes.com
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Wire size for the feeder
Just a check-my-math question:
6/3 NMB okay for a 60 amp breaker feeding the sub panel? I imagine it is not going to be more than 15' of cable total. Obviously totally indoors, just stapled down to a joist or two overhead.
Thanks.
6/3 NMB okay for a 60 amp breaker feeding the sub panel? I imagine it is not going to be more than 15' of cable total. Obviously totally indoors, just stapled down to a joist or two overhead.
Thanks.
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That is pretty much what I think should be done with kitchens these days. So many things which use a lot of amperage. Deep fryer, hot plate, coffee maker, waffle iron, or anything which heats.
When I redo my kitchen, I think I will have double outlets (4 total) at each countertop location and each on its own 20 amp breaker!
The real test is during a holiday like Thanksgiving when you have everything going at the same time...
When I redo my kitchen, I think I will have double outlets (4 total) at each countertop location and each on its own 20 amp breaker!
The real test is during a holiday like Thanksgiving when you have everything going at the same time...
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There's a little bit of distance between them to accommodate the 2nd floor lighting circuits. They were in a demo'd soffit and I had to reroute. The long route in the stud bay will leave me about 3' short to the main panel.
I figured 5' apart, 3' of slack in the main panel and 2' of slack in the new panel + extra to go up and over.
Thanks for the confirmation on the 6-3. I'll try and get these parts ordered this weekend.
I figured 5' apart, 3' of slack in the main panel and 2' of slack in the new panel + extra to go up and over.
Thanks for the confirmation on the 6-3. I'll try and get these parts ordered this weekend.