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In order for current to flow in a circuit, it must have an "input" wire, and a "return" wire. So "what goes in, has got to come out" of a circuit. The "hot" wire in a home appliance connects to the "hot" wire in an electrical outlet (which in turn is connected to the black color coded wire supplying power to the outlet).

The "neutral" wire provides the return path to the outlet (white color coded wire, and "wider" blade of the outlet) for the current. In a typical, properly wired system, both the "neutral" and "ground" wires are connected to an actual "earth" ground by means of a long (6 to 12 ft.) rod driven into the earth at the power inlet to the home

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As to the "ground" wire (usually a bare wire when "unsheathed" in an outlet box), while it generally IS connected to the "neutral" wire in the distribution panel, and would carry the "return" current, it's intended only as a safety measure to: (1) provide a return current path should the "neutral" wire open or become disconnected, (2) provide a "grounded" current return path should the "hot wire in the appliance be shorted (or develop a low current path) to the frame or outer portions of the appliance.

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What wire carries the electrical current to the appliance?

The black wire is the hot wire through which the electrical current flows to the appliance. The left over voltage which is usually zero flows back to the main circuit panel through the white neutral wire where it flows to ground.


When can a blue wire be used as a neutral?

A blue wire can be used as a neutral wire when it is specifically designated for that purpose in a country's electrical code or when it is identified as such by markings or labeling. It is important to always follow local electrical codes and regulations when using wiring for safety reasons.


When using two-wire cable to feed a 240-V appliance that does not require a neutral wire you?

When using a two-wire cable to feed a 240-V appliance that does not require a neutral wire, you typically connect both hot wires to the appliance's terminals. This setup provides the necessary voltage and current while eliminating the need for a neutral return path. It's important to ensure that the circuit is properly protected with a suitable circuit breaker or fuse to handle the load. Additionally, verify that local electrical codes and regulations are followed for safety and compliance.


Should neutral wire of lamp be connected to the 3amp or the 6 amp side of a canopy switch?

You should never switch the neutral wire. The neutral of the appliance should be connected directly to the neutral wire leading to the service panel neutral bar.


Which is the safest position for the switch to turn an appliance on and off?

the safest position for a switch is on the live wire and not on the neutral wire

Related Questions

What is the purpose of the blue and brown wires in electrical wiring systems?

The blue wire is typically used as the neutral wire in electrical wiring systems, providing a return path for the current. The brown wire is usually used as the live wire, carrying the current to the appliance or device.


What is the purpose of the white wire in an electrical circuit and how does it function as the neutral wire?

The purpose of the white wire in an electrical circuit is to serve as the neutral wire. The neutral wire completes the circuit by providing a return path for the current to flow back to the power source. It is connected to the ground at the electrical panel to ensure safety and proper functioning of the circuit.


What wire carries the electrical current to the appliance?

The black wire is the hot wire through which the electrical current flows to the appliance. The left over voltage which is usually zero flows back to the main circuit panel through the white neutral wire where it flows to ground.


What is the purpose of a white wire with a black stripe in electrical wiring?

The purpose of a white wire with a black stripe in electrical wiring is to indicate that the wire is being used as a hot wire, carrying current to power a device or appliance.


What is the purpose of the white neutral wire in an electrical circuit?

The purpose of the white neutral wire in an electrical circuit is to provide a return path for the current to flow back to the power source, completing the circuit and ensuring safety by preventing electrical shocks.


What is the purpose of the neutral wire in an electrical circuit?

The purpose of the neutral wire in an electrical circuit is to provide a return path for the current to flow back to the power source, completing the circuit and ensuring a balanced flow of electricity.


What is the purpose of the white wire in an electrical circuit, and why is it commonly referred to as the neutral wire?

The purpose of the white wire in an electrical circuit is to provide a return path for current back to the power source. It is commonly referred to as the neutral wire because it carries current back to the source and is typically at a voltage close to zero, making it "neutral" in terms of electrical potential.


What is the purpose of the live and neutral wire in an electrical circuit?

The live wire carries electrical current to the device, while the neutral wire completes the circuit by providing a path for the current to return to the power source.


What is the purpose of the white electrical wire in a typical household wiring system?

The purpose of the white electrical wire in a typical household wiring system is to carry the current back to the electrical panel or source after it has been used by the device or appliance.


What is the purpose of the live and neutral wires in an electrical circuit?

The live wire carries the current to the electrical device, while the neutral wire completes the circuit by providing a return path for the current.


What is the purpose of the white wire in electrical systems?

The purpose of the white wire in electrical systems is to serve as the neutral wire, which completes the circuit and provides a return path for the current to flow back to the power source.


What is the 4 wire 220 volt wiring diagram for a specific electrical appliance?

The 4-wire 220 volt wiring diagram for a specific electrical appliance typically includes two hot wires, one neutral wire, and one ground wire. The hot wires are usually black and red, the neutral wire is white, and the ground wire is green or bare copper. It is important to follow the manufacturer's instructions and consult a professional electrician to ensure proper installation and safety.