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It's possible that the outlet is on a switch, and either one half of the outlet is switched or the whole thing. The extra two pair of wires probably feed the NEXT outlet.

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โˆ™ 2010-10-18 13:16:42
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Q: Why would an outlet have two black wires two white wires one red wire and a ground?
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How do you wire a two wire fixture to a four wire outlet?

Wiring a 2 wire fixture to 4 wire outlet depends on configuration of wires in outlet box. If you have 2 white and 2 black I will assume there are more lights controlled by the same switch. 1st scenario attach both black wires to black of 120 volt fixture. Attach both white wires to white wire from fixture. atach ground to box or ground wire. 2nd scenario attach white neutral to white from fixture, Attach black hot to white going to switch. Attach black from switch to black from light Fixture. If you need further help I recommend hiring a contractor. Take a look into contraxtor.com


Why would an outlet have two black wires two white wires and one ground but only one white was connected?

The normal colors of a residential outlet are black(hot), white(nuetral), and bare/green(ground). It is common to 'feed thru' an outlet, in other words to bring the power in on one trio of wires tied to the outlet and send it out on another trio of wires also tied to the outlet. If however one white wire is not connected the power will not feed thru properly and whatever outlets are downstream will not work. It is possible to burn up whatever equipment is plugged into the downstream outlets, espiecaly if it is electronic ie; omputers, video equipment etc... Hope this helps. Remember turn off power before working all electrical outlets.


Wiring diagram needed for a GFCI connection to a hot tub?

Install the GFCI outlet is a location near the hot tub where it can be accessed and tub plugged in. Connect ground wire to green ground screw. Connect black/white wires to LINE side of outlet. Black goes to copper screw, white goes to silver screw. You connect the wires by inserting them into the holes marked LINE and then tightening the screws down tight.


Do you connect both wires on a pull chain switch one to black one to white?

There should be two wires in the box, black and white and possibly a bare one depending on the age of the wiring in the house. The fixture has two screws on the base. One wire goes on each screw. If there are short wires on the fixture, black to black and white to white. If there is a bare ground wire in the house box, it attaches to the body of the fixture. If there is no ground screw on the fixture, do not worry about it.


How can you change a two-wire light fixture to a three-wire fixture with an outlet attached?

The National Electrical Code allows this change only if you upgrade the whole circuit. BUT ..If you are using this outlet only when the light is on, connect the black wires together and the white wires together. Ground wires together to the box also. IF THIS IS WITHIN 6 FEET OF A WATER SOURCE, IN A BASEMENT, GARAGE, OR OUTSIDE IT HAS TO BE GFI PROTECTED!!!!

Related questions

How you know if the wires black and white are mixed?

You use a known ground and check them for voltage. You can use an extension cord to reach from a ground to the wires you are testing. You are not putting it in an outlet, just to connect you to a ground.


What are the colors of the wires on a duplex outlet?

Black, white, and copper.


How do you wire a three-wire oven outlet if you have two black wires and one ground?

Both black wires should connect on the outer 2 terminals and the white wire on the center terminal


What do you do if your old wall outlet has three white wires and three black wires running to it but your new outlet only has two total inputs for white and black in the back?

wire nut the three whites together with a fourth wire going to the outlet same for the black


How do you wire a two wire fixture to a four wire outlet?

Wiring a 2 wire fixture to 4 wire outlet depends on configuration of wires in outlet box. If you have 2 white and 2 black I will assume there are more lights controlled by the same switch. 1st scenario attach both black wires to black of 120 volt fixture. Attach both white wires to white wire from fixture. atach ground to box or ground wire. 2nd scenario attach white neutral to white from fixture, Attach black hot to white going to switch. Attach black from switch to black from light Fixture. If you need further help I recommend hiring a contractor. Take a look into contraxtor.com


Hot wires in home wiring are normally colored and ground wires in computers are normally colred?

hot wires are black, white wires are ground


How do you convert a 110 3 prong outlet to a 4 prong outlet?

You need to understand what is in play here. A standard 3-prong 110 VAC outlet has a ground (bare wire or green), neutral or common (white) and hot (black). The operating voltage is measured between the black and white wires. A residential 4-prong outlet would typically be for a 220 VAC outlet for a dryer or stove. In this case you still have a ground and a common, but now you have two hots (typically red and black). There is 220 volts across red and black and 110 volts between white and black and white and red. To rewire you need to go back to the electric panel and run a new 3-wire cable (the ground wire is not counted) of the right size for the required current and you need a two pole breaker which will have connections for red and black wires. The white goes to the common bus in the panel and ground goes to the ground bus.


How do you install a swag kit with two wires to a light with three wires?

I am guessing that your 3 wires are black (hot), white (neutral) and bare or green wire (ground). Connect black to black, white to white and ground wire to the metal case of swag kit.


How do you connect the new fixture with one black and white cable if the old fixture has 3 bulbs with individual black white and ground wires?

Connect the white and black wires back on to where the other black and white wires connected. There should also be a green pigtail coming out of the fixture which will be the ground. If it has a chain, then the wire running through the chain will be the ground wire.


Why are wires twisted together on a GFCI outlet box?

The ground wires are twisted together and then connected to the GFCI ground. The black and white wires may also be twisted together and then using a jumper wire connected to the GFCI. Hard to say without seeing exactly how it is wired.


On three wire spin dryer cord which color green white?

On a 3 wire dryer cord there is no green wire. The white wire coming from the outlet is connected to ground or the green screw. The black and red wires are the hot wires.


How do you install a 110 volt plug?

connect your black wires to the right side of outlet on the gold screws white wires on the left side silver screws and bare copper wire to green ground screw.

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