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Thread: small doubt

  1. #1
    Junior Member
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    Apr 2006
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    2

    small doubt

    Hi all,

    May i know the difference between neutral,earth and ground..??

    Thanx in advance!!


  2. #2
    Expert Member
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    Sep 2005
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    Ground or earth in a main electrical wiring system is a conductor that exists primarily to help protect against faults and which in normal operation does not carry current.

    The term ground is used in Canada and the U.S.; the term earth is used in most of the rest of the world.

    Neutral is a circuit conductor that carries current in normal operation, and which is connected to earth.


  3. #3
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    May 2006
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    114

    Re: small doubt

    I think ground or earth both refer to the same term referring to power in electrical wiring system. And this ground or earth is present mainly to protect against faults because they do have current in them generally in normal operation. In contrast neutral has current in normal operation and the neutral is connected to earth.


  4. #4
    Junior Member
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    Aug 2006
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    1

    Re: small doubt

    hello
    usually ground is something which is used in conjunction with DC not the AC.
    Earth is what is used in AC. but the functionality is all the same irrespective of DC or AC.


  5. #5
    Expert Member
    Join Date
    Jan 2007
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    249

    Re: small doubt

    Hi,

    Ground or Earth carries the same meaning and it will be of 0V. Ground or Earth is used both in AC or DC. But neutral is used in AC. Neutral can carry positive voltage or negative voltage or 0V (used in load balancing). By connecting neutral to ground we can have 0V. In AC it depends if we want phase to phase connection or phase to neutral connection. If it is a single phase then it has phase to neutral connection.

    Thanks
    Manoj


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