Question about Jenn-Air JED8430 Electric Cooktop

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Electrical wiring there are 4 wires coming from the cooktop and only 3 coming from my breaker box. not sure where to connect the red wire from cooktop. have black, white and green from breaker.

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  • sonnyb Jan 20, 2008

    still not sure which wire to connect to which wire. can't find anything in the manual about wiring. black goes to black white to white and red to what?

  • sonnyb Jan 20, 2008

    still not sure what you are saying. The wires from the breaker are actually black white and copper. Does white go to white, black to black and that leaves red to go where? Also is the green the ground wire? thanks for trying to help.

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Ones connecting to anther set of plugs red on postive top countuins sending power to next box in a chain

Posted on Jan 19, 2008

  • 7 more comments 
  • nick helpap
    nick helpap Jan 19, 2008

    green u can leave hanging red main power

  • nick helpap
    nick helpap Jan 19, 2008

    The old wiring had 2 hots and a ground. The cooktop requires, 2 hots, a ground and a neutral. The old wire has no neutral
    You still may be able to use the new top with old wire but you would need to check the owners manual and see if you can use the equipment ground(bare) as a neutral. Some models allow this, some don't. It should be in the manual somewhere if you can use the 3 wire feed and how to wire it up. If it isn't in the manual, a call to the Jenn-Air company would be a good idea. I'm sure they get this question a lot as all the old cooktops used 3 wires, and the new ones use 4

  • nick helpap
    nick helpap Jan 19, 2008

    u need # ?

  • nick helpap
    nick helpap Jan 19, 2008

    did that help dont forget to rate it

  • nick helpap
    nick helpap Jan 20, 2008

    red should be hot 2 hots it takes

  • nick helpap
    nick helpap Jan 20, 2008

    im not sure on that model i could try to call them monday am for u fnd oout n that model or u wantt ther #

  • nick helpap
    nick helpap Jan 20, 2008

    Your 1992 home...if it passed inspection - clearly has a bare grounding conductor in all circuits...( so for this circuit from your panel - you see a black, red, white and bare ground supply coming to the cooktop)..and this stovetop MUST be grounded. Based on your description - the new unit does NOT require a neutral wire and runs strictly on straight 240 volts ( red and black hots only). The branch circuit box white neutral will NOT be used and should be capped off with an appropriate sized wirenut. However...the branch circuit box bare ground wire MUST be connected to the bare ground of the cooktop.

    Yes...it makes a difference. What has changed over the years in this requirement is now ALL of these appliances must be supplied with a ground. (decades ago a simple 3 wire connection - having only a black, red, and white could have been used....but under today's Code - a bare grounding conductor must now be used...the white can no longer serve as a ground [because it ISN'T]...) The wire decription has changed from terms like requires 8/3 to requires 8/3 with ground.

    The same holds true for stoves and dryers....a 3 wire with ground (sometimes mistakenly called 4 wire) must be run to all these new 240 volt appliances. If they are cord and plug connected...the plug and receptacle MUST now be 4 prong....so that the bare ground is utilized. This is mandatory in new construction...but some older homes and local inspectors allow grandfathering and let this requirement slide....if the home didn't have 3 wire with ground ran to the location (and they allow the white to serve as ground under those circumstances). ALL new homes must now have this ground wire.

    In your installation...the red to red, black to black, white capped off....and bare ground of unit to bare ground of circuit supply.

    The Code now requires that manufacturers now clearly state this on all 240 volt appliances...but some manufacturers do not make it very clear in the way they word it....as you've found out.

  • nick helpap
    nick helpap Jan 20, 2008

    http://www.amana.com/assets//amana/pdfs/...



    cheak outthis link shows wireing for u also sum models u can switch over to 120 from 240 in manel

  • nick helpap
    nick helpap Jan 20, 2008

    di that help u shows a pic on a 3 wire set up sumtimes these stoves come with a switch to go 3 wires

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