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Old 11-28-2011, 11:28 AM  
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can I install a 40 amp oven to an exisitng 50 amp breaker or should I down size the breaker to a 40 amp

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Old 11-28-2011, 02:36 PM  
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The 50 amp breaker is there for the wire and the oven has it's own fuses or breakers.

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Old 11-28-2011, 03:17 PM  
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You MUST downsize the breaker, you can not over protect the appliance.
If the appliance is rated at 40amps and it starts to draw excess of 40amps, the breaker must trip to protect the circuit as well as the appliance.

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