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chris kennedy

chris kennedy

Senior Member
Location
Miami Fla.
Occupation
60 yr old tool twisting electrician
I may have to wire a single household double oven. I was thinking that I used to size the wire and OCP at 125%.

The branch-circuit rating for an appliance that is a continuous load, other than a motor-operated appliance, shall not be less than 125 percent of the marked rating, or not less than 100 percent of the marked rating if the branch-circuit device and its assembly are listed for continuous loading at 100 percent of its rating.
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Or do I use this?

Branch circuits and branch-circuit conductors for household ranges and cooking appliances shall be permitted to be in accordance with Table 220.55 and shall be sized in accordance with 210.19(A)(3).
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Thank you.
 
I'd say which ever is more convenient for you.


Branch circuits and branch-circuit conductors for household ranges and cooking appliances shall be permitted to be in accordance with Table 220.55 and shall be sized in accordance with 210.19(A)(3).
 
radiopet said:
Use 210.19(A)(3) in your case....They are not continuous loads.
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Thats what I was thinking. Even on a holiday the double oven could be on for 8hrs, yet not at 100%.

Thanks all.
 
chris kennedy said:
Thats what I was thinking. Even on a holiday the double oven could be on for 8hrs, yet not at 100%.

Thanks all.
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Some have said that in the self cleaning mode the oven runs at full output for more than three hours which makes it a continuous load. Not sure if that's true and sans documentation I would agree that it's not continuous.
 
radiopet said:
however I have witnessed my WIFE burn something for 3 hours continuous..;)
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A friend of mine called a while back and said his smokes didn't work. I asked if he pushed the test button and nothing happened.

He said no, we had a small fire. The wife was warming up a pizza(in the box) in the oven.:roll:
 
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