Quote:
Originally Posted by ed_denu
Thanks everyone for the replies. My question wasn't so much as to the wire size for the outlet as it was for the internal wiring within the oven.
For the outlet my intent is to use 10 ga wire and a 30 amp breaker(per NEC). I'm thinking that within the oven I could use 14 or 12ga hi temp wire. The wire from McMaster is rated 55 amps for 14ga and 75 amps 12 ga(with some de-rating if multiple conductors or within conduit).
From what I have been able to research there is a difference between the requirements for house wiring using the NEC and chassis wiring which is what I believe would apply to wiring within the oven.
Even regular 14 ga wire has a chassis rating around 32 amps from what I've seen in various tables.
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Careful when looking at those chassis tables, they assume ambient temperature and unbundled wire. Personally, I'd stick to the household wiring code like someone already mentioned.
Usually it takes at leat 8ga wire for 55amps. 50+ amps out of 14ga doesn't make any sense at all.
I'd use the 14ga wire, but run seperate wires for each element. (13amps each).
What's a SSD? Do you mean SSR? If so, make sure that the SSR has a good heatsink. Ask me how I know...