what is a neutral wire in electricity
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Household Use of Electric Energy If an appliance is plugged into the receptacle, then electric current will flow through the appliance and then back to the wider prong, the neutral. The neutral wire carries the current back to the electrical panel and from there to the earth (ground). The ground wire is not a part of the electrical circuit, but is desirable for prevention of electric shock.
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Electrical wiring in North America Although much of the electrician's field terminology matches that of the electrical codes, usages can vary: Neutral wire is the return conductor of a circuit; in building wiring systems, the neutral wire is connected to earth ground at least at one point. North American standards state that the neutral is neither switched nor fused except in very narrowly defined circumstances.
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Ground and neutral Neutral is a circuit conductor that normally carries current, and is connected to ground (earth) at the main electrical panel. In the electrical trade, the conductor of a 2-wire circuit connected to the supply neutral point and earth ground is referred to as the neutral.or uses of the term ground or earth in electricity but not in the context of mains wiring, see ground (electricity) . As the neutral point of an electrical supply system is often connected to earth ground, ground and neutral are closely related.
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How to Wire a Switch With White, Black and Ground Wires A 120-volt switch has hot and ground terminals, but none for neutral. The hot wire in a 120-volt residential AC circuit usually is coated with black insulation, while the return, or neutral, wire is white.
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What Is Romex Wire Used For? What are some common color code meanings on electric wiring charts? Quick Answer. On U.S. electric wiring charts, a white or gray electrical wire indicates a neutral power conductor wire, a green wire or green wire with a yellow stripe is a protective ground wire, and a red wire is a second hot wire in single-phase live wires.
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Characteristics of the Neutral Conductor Ungrounded conductor = 14A. Grounded neutral conductor = 14A. Solution: Size the neutral conductor to carry a load of 14A. When sizing the load for a 3-wire circuit, the grounded neutral conductor must carry the unbalanced load of the two ungrounded phase conductors.This type of installation has an unbalanced load-unless both ungrounded conductors pull the same amount of current on each ungrounded phase conductor.hen sizing the load for a 3-wire circuit, the grounded neutral conductor must carry the unbalanced load of the two ungrounded phase conductors. This type of installation has an unbalanced load-unless both ungrounded conductors pull the same amount of current on each ungrounded phase conductor.
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Why does a subpanel need separate ground and neutral? If you have the neutral and ground bonded at a subpanel, then you'll get neutral return current through the ground wire back to the main panel (since there are now multiple paths).
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Electrical wiring in North America Terminology[edit] Although much of the electrician's field terminology matches that of the electrical codes, usages can vary. Neutral wire is the return conductor of a circuit; in building wiring systems, the neutral wire is connected to earth ground at least at one point.
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Solution Center While it is true that the ground wire and the neutral wires connect to the same place in your circuit panel, it is NOT acceptable by building and electrical codes to use the ground wire in this manner.
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- Most homes have three-wire service—two hot wires and one neutral. Throughout the house, one hot wire and one neutral wire power conventional 120-volt lights and appliances; both hot wires and the neutral wire make a 240-volt circuit for large appliances such as air conditioners and electric furnaces.
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What is the difference between neutral, common, and ground (in terms of electricial applications)? Electricians sometimes call the neutral common because at the service entrance, all the neutral wires go to a common buss, whereas each hot leg connects to its own distribution breaker. However the term common actually refers to drawings of electrical circuits.est Answer: In Y or a delta transformer there are four wires. three hot wires and one middle wire called common wire or neutral wire or sometimes it is grounded and called ground.
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- In addition, when the grounded (neutral) conductor from the secondary of a transformer is open or not present, the operating voltage for the loads on one line will rise, while the operating voltage for the other line will drop.f the grounded (neutral) service conductor is open, neutral current will flow onto the metal parts of the electrical system. When this occurs in a wood frame construction building, neutral current seeking a return path to the power supply will travel into the moist wood members.
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Electrical wiring in North America 1 The neutral wire is identified by gray or white insulated wire, perhaps using stripes or markings.  With lamp cord wire the ribbed wire is the neutral, and the smooth wire is the hot. NEC2008 400.22(f) allows surface marking with ridged, grooves or white stripes on the surface of lamp cord. With transparent cord the hot wire is copper colored, and the neutral is silver colored.
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Electrical wiring in North America 1 Hot is any conductor (wire or otherwise) connected with an electrical system that has electric potential relative to electrical ground or neutral. 2  Grounded is a conductor with continuity to earth.  Leg as in “hot leg” refers to one of multiple hot conductors in an electrical system. The most common residential and small commercial service in Canada and the U.S., single split-phase, 240 V, features a neutral and two hot legs, 240 V to each other, and 120 V each to the neutral.
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Electrical wiring in North America Black, Red and Blue are used for hot wires and White is used as the neutral wire in a 120/208 V circuit. Brown, Orange and Yellow are used as hot wires and gray is used as the neutral wire in a 277/480 V. For grounding, regardless of the voltage, Green is used.
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What Do Electrical Wire Color Codes Mean? Black wire is never used for a ground or neutral wire and should be used as the power feed for a switch or an outlet. A black wire is often used in a circuit as a switch leg, the connection that runs from the switch to the electrical load.
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Which side of a two-wire cable should be used for âhotâ? Clear insulation lamp cord. Silver conductor is grounded (neutral), copper conductor is ungrounded (hot). Grounded (neutral) goes to the threaded shell of the lamp and is wired direct without break to the wide blade of a polarized 2 prong plug or in the case of a suspended lamp, to the grounded (neutral) white wire.
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- Constantan wire is used chiefly in electrical instruments and and other equipment which can take advantage of its unusual physical property which is that, even over wide variations in operating temperature, its electrical resistance stays at an almost constant value.nswer for USA, Canada and countries using similar 60Hz mains supplies   Black is used for the Hot wire.   White is used for the Neutral wire.   Green (or b … are wire with no insulation) is used for the Ground wire.
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Electrical wiring in North America 1 Hot is any conductor (wire or otherwise) connected with an electrical system that has electric potential relative to electrical ground or neutral. 2  Grounded is a conductor with continuity to earth. 3  Leg as in “hot leg” refers to one of multiple hot conductors in an electrical system.
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- The secondary (120 V side) of the lighting transformer has one of its terminals connected to ground. This grounding procedure is done to reduce the possibilities of shocks due to an internal fault in the transformer. The grounded terminal of the 120 V lighting supply is often referred to as the lighting neutral.
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Can I connect ground to neutral in a 3 wire outlet? 1 but it'll protect you if current tries to flow between the outlet, and devices on another outlet (or the ground). 2  Add a neutral wire. 3  The wire must be of the proper gauge, and go to a grounding electrode, or your main circuit panel. 4  There are a few other details that you'd need to follow.
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Why the colour of wires in homes are black, green and red? The neutral wires is connected to neutral bus bar inside an electric panel. A bus bar is and conductive metal bar that attracts the electric current for distribution purpose.) Black wire can be connected to black wire only and no other color wire. Black wire being neural, it does carry charge/current.
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What Is an Open Neutral? Safety Concerns. The purpose of the neutral wire is to return the current from the device back to the source of the electricity. If the neutral wire is not connected, or open, it will allow a potentially large charge to be stored in the device it's connected to.f you notice that you have an outlet or perhaps a light switch that is not working, but other devices in the same room are, you may be dealing with an open neutral. In order to verify this you need to remove the plate that covers the wiring for that outlet.
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Questions & Answers: Older Questions - Fourth Set   black wire is hot wire .And the white is the common or white is ground.   Depends on what your talking about in an outlet or car battery. In a outlet the ground wire … is green or bare copper. neutral is red and hot is black (I remember it by hot can kill you so black is death) if I am not mistaken.
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Neutral Wire Facts and Mythology However, if the exposed parts are connected to the grounding wire, then the hot wire becomes connected to the grounding wire. This would not cause anything unusual to happen except for the fact that the second power wire, the neutral wire, is also connected to the grounding wire at the circuit breaker panel.