Re: where do I start?
For a 120Volt oven, a nice way to provide heat would be to use the coiled heating elements from those single burner 120V auxiliary stovetop burners they sell at the local hardware store.
They go for about 10 bucks a pop. If they are 750 Watts a piece you could use 2 of them for a total of 1500 Watts. At 120Volts thats 1500/120=12.5 Amps. This is a safe current draw on a circuit with a 20amp breaker. You could actually use three elements and total 2250 Watts but then you'd be drawing 2250/120=18.75 amps and you'd have to be sure that you were plugging into a recdepticle that had a 20amp breaker with no other lights or devices hooked up to that circuit.
If you insulate your oven well and seal up all the seams it will still get very hot in there, it just may take a little longer.
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