220.84

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robertghevondian

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Location
Burbank
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Electrical Engineer
Hi,
when using NEC 220.84 should consider 8000W for electric stoves just for calculation only but what if I have electric stoves in dwelling itself?
Thanks.
 
My understanding of 220.84 is your required to use the stove actual nameplate data 220.84(C)(3)b.
 
tortuga said:
My understanding of 220.84 is your required to use the stove actual nameplate data 220.84(C)(3)b.
Click to expand...
thanks tortuga.
you mean beside 8kw electric stove that I have for calculation only, I have to add the exact name plate of stove to the data as well, right?
 
LarryFine said:
No, he's saying that you should use the nameplate data instead if you have it.
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Thanks Larry. I understand that part but NEC 220.84 asking to have 8kw range for calculation only (and I believe that's why NEC let me use demand factor. nameplate is 7.6kw for that electric range I am using, so I should have both 7.6kw for real load and 8kw for calculation only at the same time.
 
Right, I am looking at 220.84:
(C) Calculated Loads. The calculated load to which the
demand factors of Table 220.84 apply shall include the following:
(3) The nameplate rating of the following:
  • a. All appliances that are fastened in place, permanently
  • connected, or located to be on a specific circuit
  • b. Ranges, wall-mounted ovens, counter-mounted cooking
  • units
  • c. Clothes dryers that are not connected to the laundry
  • branch circuit specified in item (2)
  • d. Water heaters
 
tortuga said:
Right, I am looking at 220.84:
(C) Calculated Loads. The calculated load to which the
demand factors of Table 220.84 apply shall include the following:
(3) The nameplate rating of the following:
  • a. All appliances that are fastened in place, permanently
  • connected, or located to be on a specific circuit
  • b. Ranges, wall-mounted ovens, counter-mounted cooking
  • units
  • c. Clothes dryers that are not connected to the laundry
  • branch circuit specified in item (2)
  • d. Water heaters
Click to expand...
thanks, tortuga
 
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