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    kaysaw1's Avatar
    kaysaw1 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Feb 27, 2015, 11:13 AM
    Double Wall Oven
    I am getting ready to have a new double wall oven installed. The current one uses a 35 amp circuit breaker. The new one requires a 40 amp breaker. The electrical box is Square D QO. The new breaker will be a double pole. My question: Can I just replace the breaker or does the all the wiring need to be changed also? Thanks for your help
    donf's Avatar
    donf Posts: 5,679, Reputation: 582
    Printers & Electronics Expert
    		  
    #2

    Feb 27, 2015, 01:22 PM
    It really depends on the AWG of the existing cable. A 10 AWG cable is listed for up to 30 amps. An 8 AWG cable is listed for 40 amps.

    Also, if the existing cable is 3 wire may cause you to have to replace it any way, if the new appliance require a four wire cable and receptacle.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #3

    Feb 27, 2015, 02:28 PM
    Agree and the chances are slim to none that you have 8 awg. Who is doing the install?
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