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In household wiring it is the "hot" wire that carries current to the load.

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Q: What is black wire use for?
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Can a 220-4 wire cord be reduced to 3 wire?

When flexible cords are talked about the ground wire is in the conductor count. A four wire cord will have black, red, white, and green coloured wires in the flexible cable set. A three wire cord will have a black, white and green coloured wires in the cable set. To use a four wire cord to carry 220 volts just use the black, red and green wires. Connect to the cord ends. Black and red to the outside blade terminal screws and the green wire to the green ground screw. To use a three wire cord to carry 220 volts just use all of the wires. Black and white to the outside blade terminal screws and the green wire to the green ground screw.


How do you install a ceiling fan to plug into a wall outlet and should you use two or three strand electrical cord and which strand on the cord connects to which fan wires?

The neutral wire will have writing or ribs on it and connects to the white wire. The smooth wire is hot and connects to the black wire. Use 3 strand wire in size AWG # 16. If the fan has a light it will have a blue wire. Connect that blue wire to the black wire.


Do you need 3-wire romex to feed bedroom ceiling box by electrical code?

No, you can feed it with a 2 wire Romex + ground. It depends on what is mounted on the ceiling. If it is just a light all you need is 2 wire + ground Romex. However if it is a fan/light and you want to control each one independant of the other you will need to use 3 wire Romex + ground. This is of course if you have 2 seperate switches. You would then connect the red wire to the blue light wire and the black wire to the black fan wire. If you use 2 wire Romex just connect the blue and black fan/light wire to the black wire in the ceiling box.


Is there a difference between black wire and red wire?

Yes, the red wire is a positive wire (+) and the black wire is a negative wire (-) :D


Is the red wire connection usually on the left and the black is on the right?

There is no code rule designation which side that the wire colours are terminated on. I always use red on the left and black on the right when connecting to a distribution panel.

Related questions

What wire can you use as a remote for your amp?

I would use some new wire, preferring the black kind to the other colors.


Where do I find the reverse light power wire on a 2003 Dodge Ram 2500 and what color is it. Did Dodge use the traditional black wire for the ground?

Purple wire black stripe.


Can a 220-4 wire cord be reduced to 3 wire?

When flexible cords are talked about the ground wire is in the conductor count. A four wire cord will have black, red, white, and green coloured wires in the flexible cable set. A three wire cord will have a black, white and green coloured wires in the cable set. To use a four wire cord to carry 220 volts just use the black, red and green wires. Connect to the cord ends. Black and red to the outside blade terminal screws and the green wire to the green ground screw. To use a three wire cord to carry 220 volts just use all of the wires. Black and white to the outside blade terminal screws and the green wire to the green ground screw.


How do you install a ceiling fan to plug into a wall outlet and should you use two or three strand electrical cord and which strand on the cord connects to which fan wires?

The neutral wire will have writing or ribs on it and connects to the white wire. The smooth wire is hot and connects to the black wire. Use 3 strand wire in size AWG # 16. If the fan has a light it will have a blue wire. Connect that blue wire to the black wire.


Do you need 3-wire romex to feed bedroom ceiling box by electrical code?

No, you can feed it with a 2 wire Romex + ground. It depends on what is mounted on the ceiling. If it is just a light all you need is 2 wire + ground Romex. However if it is a fan/light and you want to control each one independant of the other you will need to use 3 wire Romex + ground. This is of course if you have 2 seperate switches. You would then connect the red wire to the blue light wire and the black wire to the black fan wire. If you use 2 wire Romex just connect the blue and black fan/light wire to the black wire in the ceiling box.


Where does the red wire go, to the white or black wire?

The red wire typically goes to the black wire.


Which wire does the red wire connect to, black or white?

The red wire typically connects to the black wire.


Is there a difference between black wire and red wire?

Yes, the red wire is a positive wire (+) and the black wire is a negative wire (-) :D


Is the black wire in this electrical circuit designated as the hot wire or the neutral wire?

In an electrical circuit, the black wire is typically designated as the hot wire.


Which wire is typically considered the hot wire in electrical wiring, the black wire or the white wire?

The black wire is typically considered the hot wire in electrical wiring.


Is the white or black wire hot?

In a standard electrical wiring setup, the black wire is typically the hot wire, while the white wire is the neutral wire.


How do I properly wire a dishwasher to ensure it is safely and correctly installed in my kitchen?

To properly wire a dishwasher, first turn off the power at the circuit breaker. Connect the black wire to the black wire, white wire to the white wire, and green or bare wire to the green or bare wire. Use wire nuts to secure the connections. Finally, turn the power back on and test the dishwasher to ensure it is working safely.