“What is the recommended wire and breaker for this appliance?”
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You will need to verify required wire gauge with a qualified licensed electrician. The LG 6.3 Cu. Ft. Slide-In Electric Range with ProBake Convection® - Stainless steel, Model # LSE4611ST has a kilowatt rating of 12.6kW at 240V so you could supply your new receptacle with #8 AWG cable and a 40-amp breaker, rather than #6 cable and a 50-amp breaker. The NEC makes this allowance because the nameplate rating is based on the oven and burners all being on HIGH at the same time, which doesn’t happen very often. But if you’ve ever hosted a big dinner, you know that firing everything at once, and for long periods, sometimes does happen. Therefore, it’s a common best practice to wire a range circuit with a 50-amp breaker and #6-gauge cable. The owner's manual instructs that for conduit connections, if the wire in the conduit is copper it must be 8 or 10 AWG wiring, and if he wire in the conduit is aluminum it must be 6 or 8 AWG wiring.(In the United States, solid aluminum wires made with AA-8000 series aluminum alloy are allowed for 15-A or 20-A branch circuit wiring according to the National Electrical Code. ... However, smaller solid aluminum branch circuit wiring is almost never used for residential construction in North America.). As a general rule of thumb, you should size the wire according to the following rules: 10 AWG for up to 30 amps, 8 AWG for 40 to 50 amps and 6 AWF for more than 50 amps. So before doing anything, it is imperative that you first consult with a qualified electrician or check your building codes...^IFV
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