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Old 05-29-2012, 07:19 PM   #1
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how to wire different lights and switches on one circuit


I have one circuit that i have different lights running on different circuits. I am attaching a pic of a basic layout. I have no idea what wires need to go to what place at this point. Any help would be amazing.

some lights have 3 way switches and some done but all need to work on one circuit.

Rob

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File Type: pdf lights layout.pdf (12.8 KB, 245 views)

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Old 05-29-2012, 07:23 PM   #2
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how to wire different lights and switches on one circuit


Do you really mean 3 circuits or just three switched groups of lights?

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Answers based on the National Electrical Code. Local amendments may apply. Check with your local building officials.
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Old 05-29-2012, 07:28 PM   #3
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how to wire different lights and switches on one circuit


Each box is a group of lights and switches. Some are one switch and some need a 3way setup. My main problem is how do i link all the boxs so they all run off of one main circuit. Each box needs to turn off and on without affecting the other boxes but share the same main power.
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Old 05-29-2012, 07:37 PM   #4
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how to wire different lights and switches on one circuit


Simplest way to do this is feed all the switches with xx-2(B,W,G.) NM Cable, first, run xx-3(B,R,W,G.) NM Cable between the 3 way switch locations, and run xx-2 cable from all the switches to the lights to be controlled





The other option is to use 'switch loops'(Note diagrams do not meet 2011 NEC requirement for neutrals at switch boxes),



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Old 05-29-2012, 08:10 PM   #5
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how to wire different lights and switches on one circuit


cool! i know i can handle the wireing in each of the 7 boxes but how do i get power to each box? Do i need to pigtail 7 boxes together from a box? is that something that would even meet code?
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Old 05-29-2012, 08:17 PM   #6
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how to wire different lights and switches on one circuit


Running the unswitched hot through the necessary('hot end' of 3 ways, single pole switch) switch boxes first(ie Hot in, hot out, switched hot to lights) would be the simplest solution.
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Old 05-29-2012, 08:26 PM   #7
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how to wire different lights and switches on one circuit


do you have a pic of what you are saying? I think i understand but i want to make sure.
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Old 05-29-2012, 09:44 PM   #8
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how to wire different lights and switches on one circuit





power source coming from the left side
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Old 05-29-2012, 09:56 PM   #9
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how to wire different lights and switches on one circuit


Ok that helps a lot thanks!!!
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Old 05-30-2012, 07:11 AM   #10
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how to wire different lights and switches on one circuit


Decided to put your diagram on here. Quick question. What group of lights/switches will you first be bringing power into??

Is it the lower left corner of the diagram where you have 2 lites and a set of 3-way switches??
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Old 02-21-2013, 10:00 AM   #11
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how to wire different lights and switches on one circuit


Hi, I am new to this forum and am building a basement bathroom in my own house.

the diagram posted by techy is very helpful. Thanks very much.

Would it work if all three of the switches were in the same three gang box?
Conceptually it would but what about the build up of heat and amount of wires allowed to fit in the box?

Does each black (hot) run between switches count as an additional wire?

Thanks,
Marcus
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Old 02-21-2013, 10:18 AM   #12
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how to wire different lights and switches on one circuit


With a big enough box it is no problem. Below is a diagram I had saved where one swith controlled lites and the other two switches controlled a fan/lite combo.
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Old 02-21-2013, 01:52 PM   #13
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how to wire different lights and switches on one circuit


that helps a ton. i appreciated it
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Old 02-23-2013, 12:25 PM   #14
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how to wire different lights and switches on one circuit


Does a ground wire go to the switch also? (in the diagram posted by Techy?)

Was it just left off the diagram to keep it simple?
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Old 02-23-2013, 12:26 PM   #15
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how to wire different lights and switches on one circuit


Quote:
Originally Posted by marcushurt View Post
Does a ground wire go to the switch also? (in the diagram posted by Techy?)

Was it just left off the diagram to keep it simple?


if the switch has a ground screw, yes

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