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Sounds like you are are installing a single pole switch (your load is controlled from one location only). If your existing switch is hooked up to a black and a white wire you are dealing with a switch loop and that white wire is being used as a hot wire. Make sure the circuit breaker is off of course, and hook up the black wires on your dimmer to the existing black and white wires on the original switch (polarity doesnt matter here) the green wire on the dimmer is a ground and should be hooked to a bare copper wire or green wire in the box if it is there.

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โˆ™ 2011-09-03 03:56:40
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Q: How do you install a dimmer switch black wire black wire and green wire to some existing black white wire?
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How do you install a dimmer switch black wire red wire and green wire to some existing black and black wires?

Remove the old single pole switch. Connect the green dimmer wire to the ground wire. Now connect the black dimmer wire to the black wire that is the hot wire (wire carrying the electrical current into the box). Connect the red dimmer wire to the other black wire.


How do you install a dimmer switch black wire black wire and green wire to some existing black white wires?

Answer for USA, Canada and countries running a 60 Hz supply service.If this is a replacement from an existing wall switch to a new dimmer switch to replace the old wall switch, this is what you need to do. The two wires that were connected to the switch are removed and reconnected to the new dimmer. Don't worry about the white wire as it is not a neutral in this occasion. The white wire is a switch leg and as such it should have been identified by a piece of black tape wrapped around it to identify it as a current carrying conductor. The green wire from the dimmer switch is a ground and is connected to the ground terminal in the switch box.As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.Before you do any work yourself,on electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energized.IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.


How do you install a dimmer to a light installed with W wire B wire and ground W running into the switch box if the switch box has power from B wire W wire and ground?

If you have one wire into your switch box for your light. this is called a switch leg, the dimmer should be wired across the black and white wire wires.


Is it possible to wire a dimmer switch off another dimmer switch for a completeley different light?

No, the dimmer switch needs its own individual circuit power supply to feed the fixtures connected to it. The black of the second dimmer switch can not be connected to the red wire of the first dimmer switch. Now if you are talking about using a common "hot" to feed two dimmer switches then this can be done. The neutrals will be common also. So what you should have is two black wires connected together with the incoming "hot". Two neutrals connected together with the incoming white. The red from each dimmer is then connected to its own individual fixture load.


How do you wire a 3-way dimmer switch that has two red wires and one black and one green?

you can only have one dimmer, the other switch needs to be not a dimmer. the green wire is ground, it connects to a bare copper wire found in the box, or to the box itself, if the box is metal. the black wire is"common" it either connects to the wire found in the box that has power in it or to the black wire that goes to the light. the 2 red wires are"travelers" they connect to the wires found in the box that go from switch to switch. if you don't know how to check which wire does what( continuity), it is possible to keep changinging the connections until the switch works. you will want to do this with a conventional switch, and install the dimmer afer you identify what wires are travelers and wich are common. you will destroy a dimmer switch by searching for the right connection. once you have identified the common wires, it will be on the black screw of a 3way switch; you can put that wire on the black wire of the dimmer. one red goes on one traveler, the other on another traveler. there might be a white wire in the box, if it is connected to other white wires and not to the switch, leave it alone. if a single white wire is connected to old switch, it may be a traveler.you will connect a red dimmer wire to this. opening the other switch location will show you if the white wire is used as a traveler.the black wire has to be either power coming in, or the wire going to the light. the reds are just connecting the 2 switches.


How do you wire a dimmer switch that has one yellow one red and one black wire?

Very carefully.


How do you install a dimmer switch for multi fixtures where the original switch has 2 black wires and one red with no green?

This simple if you have two switches controlling a set of light you will need to buy a three way switch. A three way switch will have a place for three connection. Depending on what brand of switch you purchase the directions will be sightly different but most dimmer come with detailed directions and diagrams. When you by a dimmer you need to read what kind of load it is meant to control. They are built to control incandescent light, magnet low voltage lights or electronic lights.


How do you wire a 3 way dimmer switch that has one black wire two red wires and one green wire to a box that only has one black wire one white common wire and one green ground wire?

Not enough information, but generally: you can't.The existing switch location will require another conductor, at the very least.In other words, the existing switch will need a different cable and the wires will need to be connected properly to the new 3-way switch.


Why does dimmer switch have one black and one red wire?

1 is for the positive (+) source and 1 for the negative (-) source


How do you adjust the dimmer switch on a 85 190D I can't seem to find it?

When you say dimmer switch I assume you are refering to the internal dash-board lights dimmer switch. The dimmer switch for the dash-board lights is located on the speedometer panel.There are two black knobs that stick out between the warning lights on the dash. The right one is used to set the clock while the left one when rotated adjusts the dash-board lights and when depressed resets the odometer. This should be what you are looking for.


How do you wire a dimmer with black and green wires to black and white wires?

Answer for USA, Canada and countries running a 60 Hz supply service.If this is a replacement from an existing wall switch to a new dimmer switch to replace the old wall switch, this is what you need to do. The two wires that were connected to the switch are removed and reconnected to the new dimmer. Don't worry about the white wire as it is not a neutral in this occasion. The white wire is a switch leg and as such it should have been identified by a piece of black tape wrapped around it to identify it as a current carrying conductor. The green wire from the dimmer switch is a ground and is connected to the ground terminal in the switch box.As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.Before you do any work yourself,on electrical circuits, equipment or appliances,always use a test meter to ensure the circuit is, in fact, de-energized.IF YOU ARE NOT ALREADY SURE YOU CAN DO THIS JOBSAFELY AND COMPETENTLYREFER THIS WORK TO QUALIFIED PROFESSIONALS.


How do you wire a 1-way dimmer switch with a red and black wire only?

Connect the black wire to the incoming hot wire and the red wire to the out going load.

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