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Thread: Can neutral and ground from 50A breaker be shared

  1. #1
    DIY Member rosem637's Avatar
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    Default Can neutral and ground from 50A breaker be shared

    A run in 1" plastic conduit from the main panel to power a stove and a microwave. So individual conductors will be used.

    Stove is on 50A breaker with #8 wire, microwave on 20A breaker with #12 wire.

    The 1" plastic conduit will be run to a junction box and will contain four #8 conductors(red,black,white ,green) and one #12 conductor(blue).

    Question is....in the junction box can the #8 neutral and ground be connected to #12 neutral and groung conductors for the run to the microwave?

    Kind of like the diagram. Although I did not show the red and black for the stove continuing because it was getting crowded in the drawing.
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    Last edited by rosem637; 04-21-2013 at 05:23 AM.

  2. #2
    Licensed Electrical Contractor Speedy Petey's Avatar
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    I guess the accurate replies here were not good enough: http://www.diychatroom.com/f18/share...-93896/index5/

  3. #3
    Jack of all trades DonL's Avatar
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    I guess this post was before a answer was given on the other forum.

    "No, you cannot do that."


    Be Careful playing with electricity.
    Theory only works perfect in a vacuum.

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    Moderator & Master Plumber hj's Avatar
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    The logical answer would be that there is NOTHING on either appliance that "needs" a #8 neutral, and the ground in a JB is often a common for everything in it.
    Licensed residential and commercial plumber

  5. #5
    Licensed Electrical Contractor Speedy Petey's Avatar
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    Quote Originally Posted by DonL View Post
    I guess this post was before a answer was given on the other forum.
    Not quite.

  6. #6
    DIY Member rosem637's Avatar
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    Quote Originally Posted by Speedy Petey View Post
    Not quite.
    Yes quite.

    Answer on other forum acknowledged at 0829. This post on this forum started at 0816.

    Do not know why the concern on how and when and where this question was posted. For info it was also posted on two other forums.

    Thanks

  7. #7
    Jack of all trades DonL's Avatar
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    Quote Originally Posted by rosem637 View Post
    Yes quite.

    Answer on other forum acknowledged at 0829. This post on this forum started at 0816.

    Do not know why the concern on how and when and where this question was posted. For info it was also posted on two other forums.

    Thanks

    I think that a GFCI will be required for your install.

    If you start sharing Neutrals strange things can happen.


    Good Luck.
    Theory only works perfect in a vacuum.

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  8. #8
    Moderator & Master Plumber hj's Avatar
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    quote; If you start sharing Neutrals strange things can happen.

    Maybe if it is going through a GFCI or you overload it.
    Licensed residential and commercial plumber

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