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Thread: Wire size

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  1. #1
    DIY Junior Member MrBillyd's Avatar
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    Feb 2012
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    Default Wire size

    My house was built in 79. I am removing my 30 year old stove/double oven combo.
    The wire that is being fed from the 50amp breaker is about 80 feet long.
    The markings say Stabiloy Type SE XHHW 300volts to ground 3CDRS 6 AL
    My new situation will be an Induction Cooktop on one breaker and seperate double oven.
    The cook top takes a 50amp breaker and the double oven takes a 40amp breaker (per the spec sheets)
    I am pulling another feed which will be 6/2

    Which wire should I put on my 40amp breaker?
    My 30 some year old AL wire has been on the 50amp circuit without issue.
    If the 6/2 could handle the load on the Induction cook top better, then I would swap them

    Bill

  2. #2
    Electrician ActionDave's Avatar
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    Feb 2009
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    Colorado
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    Default

    6 SE AL is only rated for 40A.
    Often double ovens are not straight 240V and would need three conductor plus a ground. Are you sure 6/2 will work for the oven?

  3. #3
    Moderator & Master Plumber hj's Avatar
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    Aug 2004
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    Cave Creek, Arizona
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    Default

    It is probably 6/2 entrance cable which, in the old days, used the outer wrapping for the neutral and ground. Both the oven and cooktop need a 120/240 circuit because of the control wiring. Good call going with induction cooktop. For a long time reasonably priced and available ones were nonexistent. Fortunately, my original one lasted long enough for new 36" models to become available.
    Last edited by hj; 02-21-2012 at 07:23 AM.
    Licensed residential and commercial plumber

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