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Old 04-22-2011, 02:07 AM   #1
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new light to existing switched light


OK, I'm adding a pendant light to an existing lighting circuit, and I need to know the wiring connections. I don't yet know whether the source is to the switch first or the existing light; I'll have to check. I want one switch to control both.

My thoughts are that I can add the new light to an existing light no matter where the source is by running 14/2 from the existing light to the new one. If the source is at the switch first, there should be only two connections at the light (black switch leg, and white neutral from the switch). I would just pigtail the new 14/2 to those connections.

If the source is at the light, then I need to be sure which black wire (should be two: one from the panel connecting to white switch loop; and the other from the switch to the light terminal) is HOT, and which is the switch leg. In this case, I'd run a new 14/2 from the existing light to the new one, and connect the new black to the black going to the light terminal.

If I'm wrong here, please set me straight. I think I'm overthinking this.


Last edited by sirsparksalot; 04-22-2011 at 02:08 AM. Reason: spelling typos
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Old 04-22-2011, 07:27 AM   #2
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new light to existing switched light


Look at the back of the first light fixture. Connect the black of the new cable (to the second fixture) to the black coming out of the first fixture. Connect the white of the new cable to the white coming out of the first fixture.

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Old 04-22-2011, 09:27 AM   #3
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new light to existing switched light


You can ALWAYS add a new fixture by running cable to the existing fixture if you want the new one controlled by the existing switch.
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Old 04-22-2011, 12:55 PM   #4
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new light to existing switched light


Just be to sure I'm thinking correctly, do the diagrams below look right? And will both lights work on the same switch?

One is switch-sourced, and the other is light-sourced.



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Old 04-22-2011, 03:23 PM   #5
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new light to existing switched light


Both drawings will work fine.
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