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Re: Breaker for Large CIM
R82 through R84 tell you all you need to know. If you want to protect it with a 40A breaker, you must use 12 AWG wire. Or if you really want to wire it with 18 AWG, you must protect it with a 20A breaker. Pick your breaker and determine the wire gauge or pick your wire gauge and determine the breaker.
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