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Old 03-01-2010, 07:43 PM   #1
 
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Wall outlet with 4 white and 2 black wires?


Hi everyone,
I am changing out some old wall outlets with new ones of a different color - three of four in the room were the standard white / black / ground but the last one has 4 white wires / 2 black wires and a ground.

2 of the whites are in the slots in the back as are the 2 black - the other two whites are wrapped on the bottom screws of each side.

The other outlets I have are the basic 2 screws on each side - what is up with this wiring and can I use the new outlet or do I need to buy one like the old one.

Was this old one even wired correctly?

Thank you!
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Old 03-01-2010, 08:11 PM   #2
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Was this a "switched"outlet? Are there any other conductors wire-nutted in the back of the box that are not connected to the outlet?
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Old 03-02-2010, 09:44 AM   #3
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Incorrect: Daisy chaining the neutral by using the various screw terminals on the receptacle while the corresponding hot feed and continuation are wire nutted directly to one another in the back of the box. Neutrals that go together can always be wire nutted together with one short length (pigtail) added to reach the receptacle.

Incorrect: Feeding the receptacle (hot side; gold screw; smaller prong hole) with a white wire.

Incorrect: Using white wires for ground. (You can take the insulation off and leave the ground wire bare)

Correct: A switch loop commences at that receptacle box with the unswitched hot as a white coming off of a receptacle screw; the switched hot (black) comes back into that box and is wired nutted to a wire of a cable going off (to a light or another receptacle) somewhere else. (Or maybe the switched hot is connected to the other half of the same receptacle.

A white wire that is hot should have a band of black or red tape or stain put at both ends.
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Last edited by AllanJ; 03-02-2010 at 09:57 AM.
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