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No, the wire is there for a reason and should be used. Chances are, this is a 240v application which requires two power sources (black, red). With out the second leg, I would assume that the amps are sky rocketing without the second power source.

Example: A machine runs on so many watts (amps x volts). With out the additional voltage available your amperage will jump drastically to maintain the same wattage.

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Q: Is it okay not to hook up the red wire in a plug i have a plug that has a ground black white and red This is the only plug in the house with a red wire with all hooked up the breaker breaks?
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What colour wire goes to the breaker using 12-2 wire?

Black. wire goes to breaker, white wire goes to neutral bar, and copper wire goes to ground bar.


How do you replace a 15 amp breaker in the circuit box?

The breaker will have a black wire connected to it. Turn off the main breaker and then disconnect that black wire from the breaker. The breaker will snap into the main bar. Remove the breaker and install the new one. Reconnect the black wire to the breaker and then install the cover and turn the main breaker back on.


Should the black wire be bonded to the ground?

It depends on the color coding standards for what country you are in. In the US, the answer is no. The Neutral (white wire) is grounded at the service entrance to the building. The black wire should have roughly the same voltage to the neutral and to the ground. Something to be aware of: If you are using a meter and checking for continuity between the black wire and ground, it may tell you that they have continuity if the breaker is on.


Is it safe to have two black wires two white wires and two ground wires on a single breaker?

Hopefully just the black wires are on the breaker. Two circuits on one breaker. Shouldn't be a problem. It would depend on how many outlets or lights were on the breaker in total. Even then, there is very little chance of something drawing current from every outlet at the same time. The only thing is you can't put two wires under one breaker (by code). You would have to wire nut them with a pig-tail then just put the one wire under the breaker.


How do you wire a 220v connection into the main panel?

I assume you mean you are wiring a 220 volt circuit. You will install a 220 volt double pole breaker of the correct size for the circuit. An example would be for an electric dryer that requires a 30 amp double pole breaker wired with 10/3 wire. You connect the Red & Black wires to the breaker. One on each screw. You now connect the White wire to the neutral bus bar in the service panel. Then connect the bare copper ground wire to the ground bus bar in the service panel. At the dryer outlet connect the black & red to the hot screws, white to the neutral, and ground to ground. They will be labeled on the back of the outlet.

Related questions

How do you wire a wire to a wire?

If you are connecting 120 volts, you connect the black wire to the breaker, white wire to the neutral bar, and ground wire to the ground bar. If you are connecting 240 volts connect the black & white wires to the breaker, & ground wire to the ground bar.


How do you wire a 15 amp breaker?

Ground wire connects to the ground bar, white wire connects to the neutral bar, and black wire connects to the breaker. Be sure and turn off main breaker before installing the wire or the breaker.


Do you need a 20 amp single or double pole breaker for your washer?

Washing machines in the U.S. operate on 120 volts. That requires a single pole 20 amp breaker and wired with 12/2 w-ground wire. Black to the breaker, white to the neutral bus bar, and copper ground to the ground bus bar.


How do you connect wire to a breaker?

There is 220 volts between the two poles. If you are running 2 wires (black and white) + ground then you hook black to one pole and white to the other. Put red or black electric tape on each end of the white wire and wrap around wire for 3 inches or so next to the connection so the next person will be able to see that the wire is hot and not a neutral.


What colour wire goes to the breaker using 12-2 wire?

Black. wire goes to breaker, white wire goes to neutral bar, and copper wire goes to ground bar.


Why is the ground wire hot at all outlet boxes on a particular circuit?

Most likely the ground (green) wire is mistakenly connected to hot instead of the hot wire (black) at the breaker panel! Possibly you meant the neutral wire not the ground wire, in that case most likely the neutral (white) wire is mistakenly connected to hot instead of the hot wire (black) at the breaker panel! In either case check all three wires in the breaker panel for that circuit to make sure they are all correctly connected! Black is hot, White is neutral, Green (or uninsulated in some cases) is ground.


How do you replace a 15 amp breaker in the circuit box?

The breaker will have a black wire connected to it. Turn off the main breaker and then disconnect that black wire from the breaker. The breaker will snap into the main bar. Remove the breaker and install the new one. Reconnect the black wire to the breaker and then install the cover and turn the main breaker back on.


How do you install 220 receptacle with white black and bare wires?

Assuming the wires are the correct gauge for application and breaker you use black and white wires as hot. Put red electrical tape on each end of white wire and connect red and black to the breaker output and bare wire to ground lug in panel. At receptacle connect black and red to hot contacts and bare wire to ground lug.


How do you wire a 4800 watt heater that's 240 volts?

This will pull 20 Amps continuous so you will need a 30 A breaker and 10 AWG wire. You would have Black, Red, White and Ground. The 240 V would be on the black and red connected to the output from a two pole 240 A breaker. White would be neutral and green or bare wire would be ground.


Should the black wire be bonded to the ground?

It depends on the color coding standards for what country you are in. In the US, the answer is no. The Neutral (white wire) is grounded at the service entrance to the building. The black wire should have roughly the same voltage to the neutral and to the ground. Something to be aware of: If you are using a meter and checking for continuity between the black wire and ground, it may tell you that they have continuity if the breaker is on.


Is it safe to have two black wires two white wires and two ground wires on a single breaker?

Hopefully just the black wires are on the breaker. Two circuits on one breaker. Shouldn't be a problem. It would depend on how many outlets or lights were on the breaker in total. Even then, there is very little chance of something drawing current from every outlet at the same time. The only thing is you can't put two wires under one breaker (by code). You would have to wire nut them with a pig-tail then just put the one wire under the breaker.


Can you only use white and black wires on a 2 pole breaker?

Typically the black wire is "hot", and the white wire is neutral. A 2 pole breaker is most commonly used for 240 V, and as such, you would typically use a 3 conductor wire, with black, red and white (+ ground). In a typical application, the black and red are used in the 2 pole breaker, and neutral is connected to the neutral bar in the breaker panel.