Questions tagged [led]

For questions regarding lighting that uses LED (Light Emitting Diode) technology.

Filter by
Sorted by
Tagged with
1 vote
2 answers
71 views

Did my LED luminaire fail because of an underpowered driver?

My LED luminaire has recently stopped working. First it started flickering, then stopped altogether, so that instead of the proper amount of light I get an extremely faint glow. Taking it apart, here ...
user avatar
  • 2,375
0 votes
0 answers
49 views

Would RGB LED strip lights interfere with Ethernet cables [duplicate]

I've read that you shouldn't run your ethernet cables next to your homes power cables because there will be some interference due to the different voltages and magnetic field. Would this also apply if ...
user avatar
  • 1
0 votes
0 answers
60 views

Ceiling lights flash bright when switched on, but then become very dim almost immediately

There are two ceiling lights in my lounge, each with three separate LED bulbs. A little while ago, I noticed that all three bulbs in one of the lights were much dimmer than usual, so tried replacing ...
user avatar
0 votes
0 answers
40 views

Smart 3-way dimmer switch cuts off at full brightness with incandescent bulbs - won't work with LED bulbs?

I installed TREATLIFE smart switches and dimmers throughout our entire home and there is only one 3-way dimmer switch that just won't seem to properly function. These smart switches are from Amazon (...
user avatar
  • 1
0 votes
1 answer
30 views

LED dimming light fixtures

Can I wire two dimming led light fixtures to one dimmer? (0-10V control) My dimmer has 6 wires. AC in, AC out, and 0-10V out.
user avatar
0 votes
3 answers
96 views

Is the junction box necessary with flush-mount LED fixture?

Awesome and quick responses on my wiring question yesterday, and I appreciate it. I am replacing these fixtures with LED Wraparound light fixtures, but, as the ceilings are unfinished, the junction ...
user avatar
  • 11
0 votes
3 answers
54 views

How do I wire my new fixture with fewer wires than the old fixture?

This is the original fixture. The new fixture has the standard white,black, and green wires.
user avatar
  • 11
1 vote
2 answers
88 views

LED "Can" lights not working all over my house

We moved into our house after someone flipped it 5 years ago. The attached photos are from LED lights that are all over the house. Some work intermittently. Some not at all. I can't seem to remove it ...
user avatar
0 votes
0 answers
42 views

Ceiling lights wired in series?

A friend complained that all five of the recessed LED lights in her kitchen were out. The circuit breaker was good. My friend suggested replacing one of the LED units. We did this and all the lights ...
user avatar
  • 1
0 votes
0 answers
82 views

Why is my LED light delayed in turning on?

I have various LED lights around the house, but only have issues with one lately. When it was brand new (a year ago) it worked perfectly. Recently the light, when switching on, has started delaying ...
user avatar
  • 1
1 vote
1 answer
108 views

What can cause all LED bulbs / fixtures to rapidly flicker at the same rate?

Since last week, every LED bulb and fixture in my household is flickering at a similar rate. Incandescent and CFL are not affected. Here's what I've had done to try and diagnose the issue: Fuse panel ...
user avatar
  • 119
0 votes
0 answers
33 views

Why are my LEDs too dim in a chandelier [duplicate]

I bought 5 LEDs to put in a chandelier in my living room. However after I put them in I see that they’re far too dim. Here’s the weird part: replace any one of them with one of the old incandescent ...
user avatar
  • 1
0 votes
1 answer
51 views

Dimmable pool color changing LED lights

For whatever reason, color changing lights for pools are not dimmable (at least Pentair and Jandy brands - e.g. Microbrite Color) - the manual official states as such and warns about damage. Only the ...
user avatar
  • 374
0 votes
4 answers
90 views

Incandescent bulb into circuit to reduce LED flicker When Dimming

The official Lutron support page for flickering LED bulbs says the following. Is anyone able to explain why that would help stabilize the LED lights and if there's anything similar that can be ...
user avatar
  • 374
0 votes
1 answer
39 views

Dimmable LED in ceiling fans

The ceiling fan I just bought has dimmable LED lightbulbs. I want to replace them with a non-LED bulb. Does it have to be 'dimmable'? If so - what are the options?
user avatar
  • 1
2 votes
0 answers
91 views

New lights installed but won’t work

My son installed some lights in my living room and tapped into an outlet to run the wires. We keep having issues with the lights sometimes working but mostly not. It doesn’t flip the breaker so it ...
user avatar
  • 21
1 vote
0 answers
19 views

Torsion spring clips are too small for new LED torsion springs. Help!

I have purchased 32 LED lights to replace can lighting for my home. Upon trying to install, I realized the wire gauge of the new led torsion springs are thicker than the old can light wire. Because of ...
user avatar
  • 11
3 votes
4 answers
441 views

T12, 4ea 4ft lamps, 2 old ballasts. It appears two of the lamps aren't coming on. Sometimes the fixture flickers

T12, 4ea 4ft lamps, 2 old ballasts in 20-year-old fixture. It appears two of the lamps aren't coming on. Sometimes the lamps flicker. The wooden frame is attractive, so I don't want to replace the ...
user avatar
0 votes
1 answer
35 views

Why is this led light flickering?

Related to this question, link, I have a very similar-looking dimmer and light. The dimmer is very old, at least 20 years, and the light is perhaps 5-8 years old. It never used to flicker. This week ...
user avatar
2 votes
1 answer
65 views

LED Can Lights Click When Turned on/off

I have these LED can lights all across the house. On a few of them I occasionally hear a single click sound and I'm so curious to find out why it happens and if it's a safety issue. I caught it on ...
user avatar
  • 21
0 votes
1 answer
106 views

Is it safe to mix LED lamps with different wattages in the same fixture?

I have a lighting fixture with 3 lamps. The current ones are LED on 6W. One has burned out and I bought a replacement one at 35W. Is it OK to have 2 at 6W and 1 at 35W or should all the lamps be the ...
user avatar
  • 261
4 votes
3 answers
77 views

Small-Scale Low Voltage Lighting Separated by 175'

I am looking to install a new, all-LED low voltage lighting system. Basically I want to illuminate the 2 edges of my lot with 100' of 12V up lights and a few path lights. It's a pretty small system, ...
user avatar
  • 249
3 votes
2 answers
118 views

Can any light fixture be used on a dimmer

I purchased a light and don't know if it is compatible with dimmer switch. I have so far read it is more so the light bulb that that affects compatability and most light fixtures work with dimmer ...
user avatar
0 votes
2 answers
44 views

2x2 led fixture has 4 rows of led strips 2 of them flash. Why?

I work In a plant as maint. Electrician and I have 1 light fixtures out of hundreds that wants to flash. It's a 2x2 hi output LED or a Hi bay fixture. It has 4 strips of LEDs and the 2 in the ...
user avatar
  • 1
0 votes
0 answers
47 views

Weird lighting issue where dimmer affects other lights sharing line voltage

I recently replaced a regular switch with a dimmer switch, and the dimmer switch seems to be affecting my other light that draws from the same line wire. When the dimmer is at max brightness ...
user avatar
  • 1
5 votes
1 answer
93 views

Microwave on A leg causes B leg voltage to increase, neutral issue, but how to diagnose?

I'm having an issue with flickering LEDs, the PoCo came out and upgraded my service with a brand new transformer and wiring, they did a power survey before and after and said their side is good now. ...
user avatar
  • 341
-1 votes
1 answer
63 views

Installed ceiling lamp, but phase meter screwdriver lights up when testing its body, neutral line

I had to change a ceiling lamp, electrical installation (Europe, 240V) is quite old and i've no idea how it works. The old lamp had 3 bulbs and a wall double switch can light up 2 of the bulbs and/or ...
user avatar
  • 109
0 votes
1 answer
51 views

ELV fixtures with Lutron Caseta

I've been planning on adding a couple Lutron Caseta switches to my place and while planning I've identified 2 specific fixtures that may or may not be an issue. One of them is the bathroom vanity ...
user avatar
0 votes
2 answers
83 views

How big can the LED light in my ceiling fan be?

I'm thinking about buying a ceiling fan that says it allows a medium-base (E26) 6W light bulb. Is that thing seriously wired for only 55 mA of current to the light bulb, or can I put (if such a beast ...
user avatar
0 votes
1 answer
75 views

A single can light in my kitchen goes off after a while and then comes back on a while later

Our kitchen ceiling lights are can lights in series on three-way switches. One 3-way switch is a dimmer switch. When the lights are turned on, after a while a single can light goes out and then comes ...
user avatar
0 votes
0 answers
48 views

Fluorescent To LED Tube Swab - Only One Side Works

I have old 4ft fluorescent fixtures in the basement (about 10 years). They are the NEW232120REBN from Lithonia. The T12s are dying out so I bought some Philips InstantFit 32W-equivalent T8 LED tubes. ...
user avatar
0 votes
1 answer
63 views

Mounting LED strip to a desk setup

I'm planning on adding on a LED lighting to my desk setup to get a nice, smooth glow behind the monitor on a wall. So the plan is to mount an LED strip on the back edge of the desk so that it lightens ...
user avatar
0 votes
1 answer
56 views

Lighting for Home Office [closed]

I was wondering what kind of setup would be the most appropriate for my situation? I currently have a room that I am using as a home office and is being illuminated by a single dome light which is not ...
user avatar
0 votes
2 answers
89 views

How To Select Correct Cable and Transformer For LED Lights

I'm about to install some 12v LED lights and have been surprised by the amount of current required, especially if multiple strips are used, and the effect of voltage drop. I will be installing RGBW 4-...
user avatar
  • 1
0 votes
3 answers
82 views

Some dimmable LED bulbs don't dim all the way in ceiling fan

If I install 3 of these (60-Watt Equivalent B11 Dimmable ENERGY STAR Clear Glass Filament LED Vintage Edison Light Bulb Bright White ) in my ceiling fan: click to embiggen everything works exactly as ...
user avatar
-1 votes
1 answer
46 views

What specifications should be for a dimmer for those bulbs?

I really want be able to dim my lights in the sleeping room. This is the bulbs I have. I can buy another bulbs. But for now this what I have. Four bulbs E14 warm light. It was written it the store ...
user avatar
1 vote
0 answers
41 views

The 12.2w dimmable LED bulbs in living room trio wont work after they first turn on, what changes during that first flick?

Installed a set of 75w equivalent (12.2w) dimmable LED bulbs in my living room to replace a trio of 60w equivalent (8.8w) LEDs that were flickering when i dimmed them. The new bulbs seemed to work ...
user avatar
0 votes
2 answers
81 views

Is it safe to have 2 power drivers and if so, why does my LED not work

I am attempting to replace a lighting fixture in my shower. The light has broken and so has the unit that holds the light. I have a new one and am putting it in. As you can see in this picture, there ...
user avatar
  • 147
1 vote
1 answer
97 views

Light is dimmed when switched off

I have a LED light bulb hanging from the ceiling of the attic room (European electric wiring). This setup used to be all right up until some time ago. About a week ago I went in the attic and saw that ...
user avatar
  • 111
0 votes
0 answers
17 views

Light will not shut off when dimmer "switch" is tapped

I have a 40W equivalent LED dimmable bulb in my ceiling fixture. The dimmer switch will control it, but it never shuts off out when I tap the switch to turn it off.
user avatar
  • 1
0 votes
0 answers
23 views

Dimming an LED HIGH BAY LIGHT FIXTURE [duplicate]

My LED light, is from H.D. It is a Commercial Electric brand. 2ft. linear high Bay Light. When I take off the power supply box cover, ( access to hook-up wiring), I find the line, load, and grnd wires,...
user avatar
  • 15
0 votes
3 answers
151 views

Can i ignore the 2 12volt dimmer wires on a new HIGH BAY LED, if i have an LED dimmer switch on the wall?

My LED light, is from H.D. It is a Commercial Electric brand. 2ft. linear high Bay Light. When I take off the power supply box cover, ( access to hook-up wiring), I find the line, load, and grnd wires,...
user avatar
  • 15
-1 votes
2 answers
516 views

Why won't this 2021 Globe Electric Dimmable LED remain FIRMLY IN PLACE, inside my 2007 IKEA November Lamp?

In both pictures below, RIGHT is NOMA 40W G9 Halogen Bulb that has always fit snugly into my IKEA November. LEFT is the Globe Electric 4W (40W Equivalent) Daylight (5000K) Dimmable LED, G9 Bi-Pin ...
user avatar
  • 61
0 votes
0 answers
45 views

Dual/Stacked switch available for 1 switch being a dimmer for the overhead LED and the other for the Bathroom fan/light on/off only?

Situation I have is a dual/stacked switch in the bathroom. One of the switches is on/off for the vanity lights and the other is for the bathroom fan/light. I changed my lighting to LED fixtures and ...
user avatar
  • 1
5 votes
1 answer
299 views

Retrofit Fluorescent Tube Fixture with LED Tubes

I'm retrofitting the T8 fluorescent tube fixtures in my house with direct wire LED tubes. Essentially, the LED tubes come with drivers inside, so I have to remove the fluorescent lamp ballasts from ...
user avatar
  • 63
0 votes
0 answers
59 views

Led bulb dims slightly and then brightens, repeatably, but very slow

I have googled a bunch on this, but everything talks about a fast flicker. This is a real slow slight dimming, followed a second or to later by returning to full power. And no descerable pattern, ...
user avatar
0 votes
0 answers
60 views

Forward phase / reverse phase LED dimmer switch inverted - house wiring messed up?

I have a Lutron Caseta dimmer (model PD-5NE) which is an ELV+ dimmer which should be great for LED bulbs. Its default configuration is "reverse phase" which is for ELV, but in that mode, ...
user avatar
  • 374
4 votes
3 answers
845 views

Why does a Smart Switch on/off have lower wattage for LEDs vs incandescent

Why do smart switches have 2 different wattages based on LED and Incandescent bulbs? I have found information regarding Dimmable light switches which makes sense because of the dimmer control can ...
user avatar
  • 41
0 votes
1 answer
63 views

Halo LED can (H455 series) troubleshooting

A set of five Halo EL405827 LED lights mounted in H455ICAT120D cans was installed in our kitchen about ten years ago. Recently one light went out. When that EL405827 is put in a different can, it ...
user avatar
  • 101
0 votes
1 answer
47 views

I have several 4' fluorescent lamps (F40T12) and 8' fluorescent lamps (F96T12/DX) that need LED Replacements. HELP! [closed]

I am working on a job where I have several 4' fluorescent lamps (F40T12) and 8' fluorescent lamps (F96T12/DX) all from Phillips and the owners are wanting LED replacements for them. We don't know what ...
user avatar

1
2 3 4 5
16