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Wall Mounted Oven 4.1KW #214757 01/21/15 01:59 PM
Joined: Oct 2014
Posts: 6
SparksFlying Offline OP
New Member
What size breaker and what size cable should be used.

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Re: Wall Mounted Oven 4.1KW [Re: SparksFlying] #214758 01/21/15 05:48 PM
Joined: Jul 2004
Posts: 9,483
G
gfretwell Offline
Member
Sounds like 10ga/30a to me. What do the instructions say?
A lot of times they say 8ga/40a no matter what oven is installed.


Greg Fretwell
Re: Wall Mounted Oven 4.1KW [Re: SparksFlying] #214786 01/24/15 01:24 PM
Joined: Oct 2000
Posts: 2,720
Scott35 Offline
Broom Pusher and
Member
4100 VA / 240V = 17.0833333- Amps

As Greg has mentioned, #8 THHN CU. protected by a 40 Amp 2 Pole Breaker is "The Norm".

--Scott (EE)


Scott " 35 " Thompson
Just Say NO To Green Eggs And Ham!
Re: Wall Mounted Oven 4.1KW [Re: SparksFlying] #214791 01/24/15 03:45 PM
Joined: Jul 2004
Posts: 9,483
G
gfretwell Offline
Member
It would probably live forever on 12ga and 20a breaker, even with the timer and the light inside but you should still be sizing at 125% of the calculated current. That is how I got to 10ga/30a.


Greg Fretwell
Re: Wall Mounted Oven 4.1KW [Re: SparksFlying] #214812 01/26/15 03:49 PM
Joined: Oct 2014
Posts: 6
SparksFlying Offline OP
New Member
Yes they only call for a 20ga and 20amp breaker but we are going with a 10ga/30amp and sleep well...'

Thanks


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