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Ground or earth in a mains (AC power) 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 English-speaking world. They are used synonymously here.
Neutral is a circuit conductor that carries current in normal operation, and which is connected to earth.
In a polyphase or three-wire AC system, the neutral conductor is intended to have similar voltages to each of the other circuit conductors, and similar phase spacing. By this definition, a circuit must have at least three wires for one to serve as a neutral.
In the electrical trade, the conductor of a 2-wire circuit that is connected to the supply neutral point is also referred to as the "neutral". This is formally described in the US and Canadian electrical codes as the "identified" circuit conductor. If the entire system is only single phase then the current carrying conductor that is tied to earth is still a neutral by this definition.
Ground or earth in a mains (AC power) 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 English-speaking world. They are used synonymously here.
Neutral is a circuit conductor that carries current in normal operation, and which is connected to earth.
Both are same..neutral and groud are connected together..but at some point their potential may vary leads to potential difference..this is due to the loss of potential in case of long wire..we have only one ground connection for the whole building..if a neutral point is at a long distance from ground connection potential diff may appear. this can be avoided by having many ground connection...both are same..
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