Grounded LED recessed lights glow when off

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Old 03-08-17, 11:30 AM
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Grounded LED recessed lights glow when off

Hi Everyone,

I've done a bunch of searching but could not find anything.

My wife and I just bought a condo and the kitchen has four recessed lights. When the switch is off, they glow. I pulled out the cans and it looks like the feed line goes into one of the four recesses then to the switch. But only a guess

The LED inserts are grounded inside each of the cans. When I unhook the ground wire inside the can that's attached to the light, the lights stop glowing. When I touch the ground back to the can, it glows. The light even glows when I touch the ground. The glowing is very faint, but noticeable.

Can I just unhook the grounds or is this something I should call an electrician about?

Thanks for your help!
 
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Old 03-08-17, 12:15 PM
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Is the switch a dimmer? Tell us all the wires at the switch? What color wires on the switch? Are there two 3-way switches?
 
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Old 03-08-17, 01:07 PM
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Hi Ray!

The switch is a Lutron dimmer. It's a single light switch, not a three way. There is a black and white on the switch.
 
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Old 03-08-17, 01:30 PM
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The dimmer is the cause of the dim LED's. It is absolutely nothing to worry about.
Don't remove the ground from the fixtures.
 
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Old 03-08-17, 01:32 PM
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Hey PJ,

Thanks for your response. We have the same recessed lights in our living room and they are on a three way switch with a dimmer and a regular switch. They don't glow.

Any reason behind this that you can think ok?
 
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Old 03-08-17, 01:38 PM
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The dimmers use a tiny amount of power from the lights to operate. That tiny bit of power the dimmer is stealing is what is keeping them on.

Some electronic LED/CFL type dimmers don't keep the lights on dim while some do.

The Lutron MA/CL will not keep the LED's on when the dimmer is off. It also has a setting in it for dimming/ramping level.
 
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Old 03-08-17, 02:46 PM
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Got it, thanks for the help!

What's the technical reasoning behind me touching the ground, or touching the ground to metal that turns the light on? Just for curiosity sake.

Thanks again.
 
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Old 03-13-17, 09:56 AM
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If the dimmer is on the neutral side of the lamps, that effect is easy to explain. But, if its on the high side of line, I can't explain it.
 
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