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There are several possibilities, depending on the needs of the electrician who wired the light for you. In general, the wires are either power in or out of the box, and what is called a "switch leg". If you have questions about your specific application you should contact an electrician in your area to inspect the wiring and explain to you what it is for.

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Q: Why does your garage light switch have 3 white 3 black wires 1 green and 1 red wire?
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Light switch has 4 wire colors red and white and green and black which is the hot wire?

You have a 3 way switch. Your black wire is the hot wire. Your green wire is the ground wire. Your red and white wires go to the light and other switch. You should have gotten a wiring diagram with your switch.


How do you wire a light switch that has a black common screw and two gold screws one on each side of light switch and a green screw?

That is called a three way switch. It's used in conjunction with another 3 way switch in another area and they both control a light or set of lights. The black is power and the other two are called travelers that wire to the the other 2 gold screws on the other switch. A three way switch can be used as a single pole switch by using the black screw and one of the brass screws. You will have to test the circuit to orient the switch so up is on and down is off, if that is what you desire, because it is not obvious on a three way switch. The green screw is simply your equipment ground. You place your green or bare conductor there.


How do you wire an additional light to another light with a switch?

In the wall switch box you should have a white and black pair from your source of power (120 volts). The other pair of black and white wires from the wall box should be going to the light fixture junction box. With the power off, connect the two white wires together with a wire nut. Connect the two bare copper ground wires together making sure that at least one of the ground wires goes under the green screw in the switch junction box. Turn the switch to the off position, no little indicator bump showing on the switch toggle lever. Now take the black incoming hot wire and put it under the top screw on the switch. Hot wires always go to the top of switches. Now put the black wire that is going to the light fixture under the bottom screw. Tighten both. Install the switch into the wall box with the switch handle in the down position. All switches when installed must be off in the down position. Install the switch plate cover.


How do you wire a light and switch with the 2 wire old romex?

with a standard 1 pole light switch (one switch operating the light) it is black wire to black wire and white to white (non grounded)


What was Marie curie favorite color?

Her favorite color was BLACK!

Related questions

Light switch has 4 wire colors red and white and green and black which is the hot wire?

You have a 3 way switch. Your black wire is the hot wire. Your green wire is the ground wire. Your red and white wires go to the light and other switch. You should have gotten a wiring diagram with your switch.


When at a 2 pole light switch and the wire colors shown are black white and green which is the hot wire and which is the common?

the black wire is the hot wire


How do you wire a light switch that has a black common screw and two gold screws one on each side of light switch and a green screw?

That is called a three way switch. It's used in conjunction with another 3 way switch in another area and they both control a light or set of lights. The black is power and the other two are called travelers that wire to the the other 2 gold screws on the other switch. A three way switch can be used as a single pole switch by using the black screw and one of the brass screws. You will have to test the circuit to orient the switch so up is on and down is off, if that is what you desire, because it is not obvious on a three way switch. The green screw is simply your equipment ground. You place your green or bare conductor there.


Why is one the garage sensors yellow and the other is green?

The green light is the receiving end and the yellow light is the transmitter, when they are both aligned properly.


How do you light up the green star by the garage on super Mario galaxy?

throw


What colour would red green and white appear if a green light was shone at them?

While the ball would still be green it will appear black. Anything green absorbed all colours except green. The green light is reflected to your eyes which makes it look green. Thus in red light (with no green in it) the red will be absorbed and no green light can be reflected to your eyes so the ball will look black.


What color would a cucumber appear in green light white light and red light?

Green light - Green, White light - Green, Red light - Black


Why is one of your garage door sensors yellow and the other green?

The green light is the receiving end and the yellow light is the transmitter, when they are both aligned properly.


How do you switch off a service light on a vivaro?

go to your local garage they use a laptop program :)


How do you wire an additional light to another light with a switch?

In the wall switch box you should have a white and black pair from your source of power (120 volts). The other pair of black and white wires from the wall box should be going to the light fixture junction box. With the power off, connect the two white wires together with a wire nut. Connect the two bare copper ground wires together making sure that at least one of the ground wires goes under the green screw in the switch junction box. Turn the switch to the off position, no little indicator bump showing on the switch toggle lever. Now take the black incoming hot wire and put it under the top screw on the switch. Hot wires always go to the top of switches. Now put the black wire that is going to the light fixture under the bottom screw. Tighten both. Install the switch into the wall box with the switch handle in the down position. All switches when installed must be off in the down position. Install the switch plate cover.


How do you wire a light and switch with the 2 wire old romex?

with a standard 1 pole light switch (one switch operating the light) it is black wire to black wire and white to white (non grounded)


What was Marie curie favorite color?

Her favorite color was BLACK!