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Quick wiring question

Posted on 12/23/15 at 12:26 pm
Posted by LSUSUPERSTAR
TX
Member since Jan 2005
16305 posts
Posted on 12/23/15 at 12:26 pm
I'm installing two LED light strips in my garage and am trying to tie into the existing single bulb fixture. I pulled the fixture off and the picture below is what I have there. The right side is the hot and the left goes to the light switch. The LED strips come with a white/black/green configuration. What is the proper way to wire it so that the switch functions properly?

Posted by AndyCBR
Baton Rouge, LA
Member since Nov 2012
7544 posts
Posted on 12/23/15 at 12:33 pm to
Do you have an extra switch that does nothing now?

It looks like that was wired for a ceiling fan (pretty common in garage rough ins) and the White neutrals go together, the grounds go together, and the black is a switched hot for the light, and the red is a switched hot for the fan.

On your fixture you have hot (black), neutral (white),and ground (green).

If no extra switch the black is just a second circuit in the same wire. Leave it capped off and use the red switched hot to connect to your fixture.

Hope this helps.

Posted by LSUSUPERSTAR
TX
Member since Jan 2005
16305 posts
Posted on 12/23/15 at 12:44 pm to
Yeah, just a single switch. The old single blub fixture had the two white (grey) wires screwed into it with a connecting metal piece and the red was on another one.

Let's make sure I have this straight. Connect my two new light fixtures' black wires with the red and the whites with the whites (grey) and green with ground?

I'm using 14 gauge romex to run from the new fixtures to that central spot. I put in gang boxes where I connected the romex to the fixtures. I'm going to put a plate over the area in the picture since I won't need the single bulb fixture anymore.
Posted by lsujro
north of the wall
Member since Jul 2007
3919 posts
Posted on 12/23/15 at 1:00 pm to
quote:

Let's make sure I have this straight. Connect my two new light fixtures' black wires with the red and the whites with the whites (grey) and green with ground?



yes. if the black was capped when you pulled the other light off, leave it capped (i would add some electrical tape over it just to be safe, but i'm cautious with electricity).

connect all whites together and your blacks from the lights to the red. green goes to green.
Posted by LSUSUPERSTAR
TX
Member since Jan 2005
16305 posts
Posted on 12/23/15 at 1:04 pm to
Thx. They are working great. I'm off to get a cap to cover the wiring where the old fixture was at. Hopefully these lights last a long time.
This post was edited on 12/23/15 at 1:49 pm
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